MATHEMATICS

CHAPTER NAME

LOCATION

ERROR

Trigonometric Ratios, Functions and Identities

Page 422, Q. 17

 Extra 2 + 2cos4x

Functions, Limits, Continuity and Differentiability

Page 1279, Q. 55

Solution is wrong (Answer is correct)

Complex Numbers

Page 70, Q. 73

Question is wrong

Complex Numbers

Page 57, Q. 27

Solution is wrong (Answer is correct)

Complex Numbers

Page 72, Q. 34

Option (c) is correct

Logarithms and Partial Fractions

Page 29, Q. 1

Solution is wrong (Answer is correct)

Set Theory & Relations

Page 14, Q. 51

Option (d) is correct

Set Theory & Relations

Page 14, Q. 53

Option (c) & (d) are correct

Complex Numbers

Page 89, Q. 13

Option (b) & (d) are correct

Complex Numbers

Page 92, Q. 52

Option (a) & (b) are correct

Complex Numbers

Page 120, Q. 49

Option (a), (b) & (c) are correct

Progressions

Page 187, Q. 22

Option (a) & (c) are correct

Progressions

Page 204, Q. 5

Option (b) & (d) are correct

Quadratic Equations and Inequations

Page 78, Q. 78

Option (a) is correct

Quadratic Equations and Inequations

Page 235, Q. 39

Correction in question

Quadratic Equations and Inequations

Page 242, Q. 2

Option (c) is correct

Permutations and Combinations

Page 310, Q. 20

Correction in question

Permutations and Combinations

Page 312, Q. 39

All options are wrong

Binomial Theorem and Mathematical Induction

Page 354, Q. 24

Correction in question & solution

Binomial Theorem and Mathematical Induction

Page 368, Q. 51

Wrong Answer

Binomial Theorem and Mathematical Induction

Page 368, Q. 57

Wrong Answer

Probability

Page 1780, Q. 21

Option (b) is correct, Given solution is correct

Probability

Page 1782, Q. 42

Option (b) is correct, Given solution is correct

Probability

Page 1783, Q. 52

Option (c) is correct, Given solution is correct

Circle and System of Circles

Page 712, Q. 62

Correct option is (4)

Circle and System of Circles

Page 710, Q. 46

Correct option is (d)

Differentiation and Applications of Derivatives

Page 1382, Q. 21

Printing Mistake in Question

Vector Algebra

Page 1045, Q. 31

Option (a) is correct

Vector Algebra

Page 1025, Q. 61

Printing Mistake in Question

Co-ordinate Geometry of Three Dimensions

Page 1099, Q. 3

Option (c) is correct

Vector Algebra

Page 1081, Q. 48

Solution given in Q. 49

Vector Algebra

Page 1081, Q. 49

Solution given in Q. 48

Functions, Limits, Continuity and Differentiability

Page 1289, Q. 178

Option (b) is correct

Functions, Limits, Continuity and Differentiability

Page 1281, Q. 82

Correct answer is 3/4


BIOLOGY

CHAPTER NAME

LOCATION

ERROR

The Living World

Page 15, Q. 31

Correct option is (d)

Structural Organisation in Animal

Page 517, Q. 14

Correct option is (a)

Structural Organisation in Animal

Page 519, Q. 47

Correct option is (d)

Biomolecules

Page 632, Q. 27

Correct option is (c)

Morphology of Flowering Plants

Page 373, Q. 10

Correct option is (c)

Morphology of Flowering Plants

Page 374, Q. 40

Correct option is (d)

Cell: The Unit of Life

Page 558, Q. 15

Correct option is (b)

Cell: The Unit of Life

Page 563, Q. 27

Correct option is (c)

Cell: The Unit of Life

Page 572, Q. 18

Correct option is (b)

Cell: The Unit of Life

Page 573, Q. 31

Correct option is (d)

Cell: The Unit of Life

Page 564, Q. 17

Correct option is (b)

Cell Cycle and Cell Division

Page 659, Q. 1

Correct option is (a)

Cell Cycle and Cell Division

Page 663, Q. 84

Correct option is (a)

Animal Kingdom

Page 249, Q. 16

Correct option is (c)

Animal Kingdom

Page 250, Q. 27

Correct option is (d)

Animal Kingdom

Page 253, Q. 17

Correct option is (a)

Animal Kingdom

Page 254, Q. 62

Correct option is (d)

Animal Kingdom

Page 256, Q. 41

Correct option is (a)

Animal Kingdom

Page 259, Q. 92

Correct option is (c)

Animal Kingdom

Page 261, Q. 41

Correct option is (a)

Transport in Plants

Page 702, Q. 29

Correct option is (b)

Morphology of flowering Plant

Page 376, Q. 14

Correct option is (a,c)

Morphology of flowering Plant

Page 379, Q. 15

Correct option is (c)

Morphology of flowering Plants

Page 379, Q. 17

Correct option is (a)

Morphology of flowering Plants

Page 395, Q. 11

Correct option is (a,b,c,d)

Morphology of flowering Plants

Page 402, Q. 114

Correct option is (a)

Structural Organization in Animals

Page 512,  Q. 1

Correct option is (c)

Transport in Plants

Page 697,  Q. 4

Correct option is (a)

Transport in Plants

Page 697,  Q. 9

Correct option is (d)

Biological Classification

Page 63, Q. 38

Correct option is (d)

Biological Classification

Page 63, Q. 39

Correct option is (c)

Biological Classification

Page 66, Q. 16

Correct option is (d)

Biological Classification

Page 74,  Q. 29

Correct option is (c)

Biological Classification

Page 75,  Q. 19

Correct option is (d)

Biological Classification

Page 87,  Q. 67

Correct option is (d)

Plant kingdom

Page 168, Q. 10

Correct option is (a)

Mineral Nutrition

Page 745, Q. 7

Correct option is (c)

Structural Organization in Animals

Page 503, Q. 42

Correct Option is (c), Sol given in USS is Correct.

Structural Organization in Animals

Page 502, Q, 24

Question is wrong.

Animal Kingdom

Page 303, Q, 91

Correct option is (d)

Locomotion and Movement

Page 1077, Q, 12

Correct option is (e)

Sexual Reproduction in Flowering Plants

Page 1241, Q.51

Correct option is (d)

Sexual Reproduction in Flowering Plants

Page 1241, Q.44

Correct option is (a)

Sexual Reproduction in Flowering Plants

Page 1249, Q.39

Correct option is (b)

Sexual Reproduction in Flowering Plants

Page 1253, Q.43

Correct option is (a)

Sexual Reproduction in Flowering Plants

Page 1250, Q.7

Correct option is (d)

Sexual Reproduction in Flowering Plants

Page 1256, Q.43

Correct option is (c)

Human Reproduction

Page 1296, Q.62

Correct option is (b)

Human Reproduction

Page 1303,Q.38

Correct option is (b)

Human Reproduction

Page 1305, Q.1

Correct option is (d)

Human Reproduction

Page 1306, Q.14

Correct option is (a)

Human Reproduction

Page 1308, Q.56

Correct option is (b)

Human Reproduction

Page 1311, Q.12

Correct option is(a)

Human Reproduction

Page 1314, Q.4

Correct option is (a)

Reproductive Health

Page 1340, Q.1

Correct option is (c)

Principle of Inheritance and Variation

Page 1379, Q.57

Correct option is(d)

Principle of Inheritance and Variation

Page 1380, Q.62

Correct option is(a)

Principle of Inheritance and Variation

Page 1390, Q.43

Spelling mistake in question.The given word  is"CAREER", it should be" CARRIER".

Principle of Inheritance and Variation

Page 1392, Q.93

Correct option is (c)

Principle of Inheritance and Variation

Page 1393, Q.103

Correct option is (b)

Principle of Inheritance and Variation

Page 1397, Q.30

Correct option is (d)

Principle of Inheritance and Variation

Page 1398, Q.49

Correct option is (d)

Organism and Population

Page 1765, Q.13

Correct option is (d)

Organism and Population

Page 1769, Q. 21

Correct option is (d)

Biotechnology and its Applications

Page 1751, Q.84

Correct option is (b)

Biotechnology Processes And Principles

Q.31

Correct option is (b)

Biotechnology Processes And Principles

Q.109

Correct option is (c)

Biotechnology Processes And Principles

Q.30

Option D should be Genetic & environment approval committee

Microbes in Human Welfare

Page 1692, Q.2

Correct option is (d)

Strategies for enhancement in food production

Page 1647, Q.4

Correct option is (b)

Strategies for enhancement in food production

Page 1653, Q.27

Correct option is (a)

Strategies for enhancement in food production

Page 1656, Q.28

Correct option is (b)

Strategies for enhancement in food production

Page 1656, Q.1

Correct option is (a)

Strategies for enhancement in food production

Page 1657, Q.9

Correct option is (a)

Strategies for enhancement in food production

Page 1657, Q.13

Correct option is (b)

Strategies for enhancement in food production

Page 1659, Q.9

Correct option is (d)

Human Health and Diseases

Page 1598, Q.67

Correct option is (b)

Human Health and Diseases

Page 1605, Q.29

Correct option is (c)

Human Health and Diseases

Page 1610, Q.27

Correct option is (b)

Evolution, Origin of Life

Q.6

Correct option is (b)

Evolution, Organic Evolution and Speciation

Q.50

Correct option is (b)

Evolution, Organic Evolution and Speciation

Q.65

Correct option is (e)

Evolution, Organic Evolution and Speciation

Q.73

Correct option is (d)

Evolution, Organic Evolution and Speciation

Q.75

Correct option is (a)

Evolution, Organic Evolution and Speciation

Q.111

Correct option is (b)

Evolution, Organic Evolution and Speciation

Q.68

Correct option is (a)

Evolution, Organic Evolution and Speciation

Q.26

Correct option is (c)

Molecular Basis of Inheritance, Nucleic Acid

Q.41

Correct option is (d)

Molecular Basis of Inheritance, Nucleic Acid

Q.60

Correct option is (b)

Molecular Basis of Inheritance, DNA Replication

Q.35

Correct option is (d)

Molecular Basis of Inheritance, DNA Replication

Q.38

Correct option is (e)

Molecular Basis of Inheritance, DNA Replication

Q.39

Correct option is (a)

Molecular Basis of Inheritance, DNA Replication

Q.40

Correct option is (b)

Molecular Basis of Inheritance, DNA Replication

Q.41

Correct option is (d)

Molecular Basis of Inheritance, DNA Replication

Q.42

Correct option is (b)

Molecular Basis of Inheritance, Nucleic Acid Transcription

Q.5

Correct option is (c)

Molecular Basis of Inheritance, Gene Regulation

Q.14

Correct option is (d)

Molecular Basis of Inheritance, Gene Regulation

Q.30

Correct option is (b)

Molecular Basis of Inheritance, Gene Regulation

Q.31

Correct option is (d)

Molecular Basis of Inheritance, Gene Regulation

Q.60

Correct option is (c)

Molecular Basis of Inheritance, Gene Regulation

Q.68

Correct option is (c)


CHEMISTRY NEET

CHAPTER NAME

LOCATION

ERROR

Structure of Atom

Page 56, Q. 15

Wrong question & solution

Structure of Atom

Page 57, Q. 25

Option (a) is correct

Structure of Atom

Page 92, Q. 29

Answer is correct but given solution is wrong

Structure of Atom

Page 94, Q. 26

Option (b) & (d) are correct

Structure of Atom

Page 94, Q. 28

Option (a) or (b) is correct

Structure of Atom

Page 95, Q. 61

Option (c) or (d) is correct

Structure of Atom

Page 95, Q. 65

Option (a) is correct

Structure of Atom

Page 97, Q. 94

Option (a) is correct

Structure of Atom

Page 97, Q. 115

Option (d) is correct

Structure of Atom

Page 77, Q. 129

Option (c) is correct

Structure of Atom

Page 92, Q. 28

Option (d) is correct

The p-Block Elements (Nitrogen, Oxygen, Halogen and Noble Family)

Page 1224, Q. 24

Option (b) is correct

Classification of Elements and Periodicity in Properties

Page 134, Q. 28

None of the options (F<Li<Na<K)

Hydrogen

Page 491, Q. 13

Mistake in option (c)

States of Matter

Page 264, Q. 2

Option (b) is correct

Chemical Equilibrium

Page 340, Q. 5

Option (c) is correct

Purification, Classification and Nomenclature of Organic Compounds

Page 627, Q. 151

Question is wrong

Hydrogen

Page 505, Q. 40

Option (a) is correct

Redox Reactions

Page 477, Q. 66

Option (a) & (b) are correct

Hydrocarbons

Page 848, Q. 103

Option (b) & (e) are correct

Surface Chemistry

Page 1158, Q. 54

Option (a) is correct

General Organic Chemistry

Page 754, Q. 18

Option (c) is correct

General Organic Chemistry

Page 738, Q. 17

Option (e) is correct

Haloalkanes and Haloarenes

Page 1480, Q. 2

All options are wrong

Ionic Equilibrium

Page 423, Q. 68

Option (a) & (c) are correct

Biomolecules

Page 1810, Q. 137

Misprinting in Question

Classification of Elements and Periodicity in Properties

Page 117, Q. 39

Misprinting in option (c)

Classification of Elements and Periodicity in Properties

Page 143, Q. 16

Option (b) is correct

Electrochemistry

Page 1034, Q. 54

Correct answer is 5

General Organic Chemistry

Page 720, Q. 21

Solution is wrong

Purification, Classification and Nomenclature of Organic Compounds

Page 637, Q. 33

Option (a) is correct

Purification, Classification and Nomenclature of Organic Compounds

Page 640, Q. 100

Option (a) is correct

Hydrocarbons

Page 841, Q. 116

Mistake in Solution

Hydrocarbons

Page 813, Q. 66

Option (c) is correct

Hydrocarbons

Page 851, Q. 25

Option (a) is correct

Solutions

Page 933, Q. 1

Mistake in Question

Electrochemistry

Page 1039, Q. 45

Option (c) is correct

Chemical Kinetics

Page 1105, Q. 139

Option (c) & (d) are correct

Chemical Kinetics

Page 1106, Q. 164

Option (b) is correct

Polymers

Page 1864, Q. 27

Option (a) is correct

The p-Block Elements (Nitrogen, Oxygen, Halogen and Noble Family)

Page 1264, Q. 34

Option (a) is correct

Alcohols, Phenols and Ethers

Page 1565, Q. 22

None of the options

Alcohols, Phenols and Ethers

Page 1528, Q. 38

Mistake in question

Purification, Classification and Nomenclature of Organic Compounds

Page 640, Q. 91

Option (d) is correct

Solutions

Page 968, Q. 4

Option (d) is correct

Some Basic Concepts of Chemistry

Page 27, Q. 1

None of the options

Hydrocarbons

Page 821, Q. 36

Option (b) & (c) are correct

Purification, Classification and Nomenclature of Organic Compounds

Page 642, Q. 130

Option (d) is correct

General Organic Chemistry

Page 729, Q. 77

Option (c) is correct

Hydrocarbons

Page 813, Q. 64

Mistake in question

d- and f-Block Elements

Page 1336, Q. 59

Option (b) & (d) are correct

Haloalkanes and Haloarenes

Page 1490, Q. 1

Option (c) is correct

Electrochemistry

Page 1038, Q. 32

Question is wrong

Amines

Page 1767, Q. 21

Option (d) is correct

Amines

Page 1778, Q. 8

None of the options

The p-Block Elements (Nitrogen, Oxygen, Halogen and Noble Family)

Page 1272, Q. 157

Option (d) is correct

General Principles & Processes of Isolation of Elements

Page 1187, Q. 8

Option (a) is correct

Ionic Equilibrium

Page 439, Q. 108

Option (d) is correct

Electrochemistry

Page 1037, Q. 5

Option (b) is correct


PHYSICS NEET

CHAPTER NAME

LOCATION

ERROR

Units, Dimensions and Measurement

Page 60, Q. 30

Correct answer is option (c)

Units, Dimensions and Measurement

Page 66, Q. 104

Correct answer is option (b)

Units, Dimensions and Measurement

Page 67, Q. 119

Correct answer is option (b)

Units, Dimensions and Measurement

Page 58, Q. 5

Correct answer is option (b)

Motion in One Dimension

Page 97, Q. 118

Correct answer is option (c)

Motion in One Dimension

Page 117, Q. 53

Correct answer is option (c)

Motion in Two Dimension

Page 173, Q. 9

Correct answer is option (a)

Newton's Laws of Motion

Page 211, Q. 11

Correct answer is option (d)

Newton's Laws of Motion

Page 204, Q. 2

Correct answer is option (d)

Work, Energy, Power and Collision

Page 282, Q.45

Correct answer is option (a)

Rotational Motion

Page 345, Q. 24

Correct answer is option (a)

Rotational Motion

Page 349, Q. 32

Correct answer is option (a)

Thermodynamics

QUESTIONS

Download Question here http://bit.ly/2xJRJqN

Thermometry, Thermal Expansion and Calorimetry

Page 537, Q. 9

Correct answer is option (d)

Kinetic Theory of Gases

Page 577, Q. 8

Correct answer is option (a)

Elasticity

Page 458, Q. 58

Correct answer is option (a)

Surface Tension

Page 482, Q. 17

Correct answer is option (a)

Fluid Mechanics

Page 512, Q. 17

Correct answer is option (b)

Current Electricity

Page 1019, Q. 58

Correct answer is option (a)

Current Electricity

Page 1022, Q. 106

Correct answer is option (d)

Elasticity

Page 460, Q. 3

Correct answer is option (b)

Current Electricity

Page 1018, Q. 41

Correct answer is option (d)

Magnetic Effect of Current

Page 1110, Q. 57

Correct answer is option (c)

Simple Harmonic Motion

Page 671, Q.16

Correct answer is option (a)

Electromagnetic induction

Page 1180 & 1202 , Q.28

Question and Solution is wrong

At the end of question write: about:

Write the attached solution

Correct answer is option (b)

Electromagnetic induction

Page 1200, Q.15

Correct answer is option (a)

Alternating Current

Page 1233, Q.100

Question is incomplete. Question needs to be replaced.

Alternating Current

Page 1248, Q.114

Correct answer is option (b)

Alternating Current

Page 1237, Q.155

Correct answer is option (a)

Electron, Photon Photoelectric Effect

Page 1292, Q. 25

Correct answer is option  (a).

Ray Optics

Page 1447, Q.21

Correct answer is option (b)

Ray Optics

Page 1456, Q.73

Correct answer is option (d)

Wave Optics

Page 1538, Q.48

Correct answer is option (b)

Solution needs to be changed.

Instead of =6.99=7 write =6.08=6

Wave Optics

Page 1547, Q.103

Correct answer is option (b)

Thermodynamics

Page ix, Q.12

 Correct answer is option (c)

Rotational Motion

Page 339, Q. 37

Question is incomplete. Needs to be changed.

Gravitation

Page 405, Q.64

In option (a) make the line on left more curved.

Work, Energy, Power and Collision

Page 277, Q.107

Option (a) and (c) are the same.

Change option as shown in attachment.

Magnetic Effect of Current

Page 1103, Q. 94

Correct answer is option (a)

Simple Harmonic Motion

Page 712, Q.31

Correction in solution:

Instead of 0.03 Sec write 0.30 sec.

Alternating Current

Page 1233, Q.100

Question is incomplete in book.

Question needs to be changed.

Electronics

Page 1408, Q. 38

Error in question: Instead of  collector supply voltage write  current gain.

Electronics

Page 1414, Q.39

Error in question and Solution.

Kindly change them as shown in attachment.

Correct answer is option (c)

Wave Optics

Page 1537, Q.39

Correct answer is option (d)

Wave Optics

Page 1547, Q.103

Correct answer is option (b)

Alternating Current

Page 1224, Q.22

Correct answer is option (b)

Thermodynamics

Page 610, Q.21

Correct answer is option (b)

Thermodynamics

Page 612, Q.32

Correction in the question:

In option (b) write:

Correction  in the Solution:

Change key: Correct option is (b)

Delete the last line of the solution.

Work, Energy, Power and Collision

Page 274, Q.88

Correct answer is option (b)

Change the solution as shown in the attachment.

Work, Energy, Power and Collision

Page 278, Q.17

Correct answer is option (c)

Correction in the solution:

Write solution from the given attachment.

Motion in one dimension

Page 92, Q.62

Correct answer is option  (d).

Correction in solution:

Motion in one dimension

Page 100, Q.1

Correct answer is option  (b). Correction  in Solution: Write from attachment.

Magnetic Effect of Current

Page 1076, Q.57

Correct answer is option (c)

Electrostatics

Page 901, Q.73

Correction in the solution:

Use small m, instead of Capital M.

At the end of solution write:

m1/m2 = √3 = 1.7

Correct option is (a)

Electrostatics

Page 924, Q.3

Correct answer is option (b)

Current Electricity

Page 996, Q.27

Diagram is missing in this Question.

Use attached diagram.

Thermodynamics

Page (xx), Q.34

Correct answer is option (c)

Newton's Laws of Motion

Page 223, Q. 40

Diagram is missing in the question. Use the attached diagram.

Rotational Motion

Page 356, Q.35

Correct answer is option (a)

Correction in the solution:

Simple Harmonic Motion

Page 711, Q.14

Correct answer is option (a).

Rotational Motion

Page 334, Q.54

Correct answer is option (a)

Correction in the solution:

First use the given image

Then write the following solution:

Rotational Motion

Page 353, Q.64

The question is incomplete.

Complete the question using the given attachment.

Rotational Motion

Page 355, Q.33

Correction in Question: Write in option (d) 1470 J

Ray Optics

Page 1450, Q.28

Answer Key and Solution is wrong. Correct answer is option (b).

Units, Dimensions and Measurement

Page 47, Q. 50

Correction in Question:

Correction in Solution:

Units, Dimensions and Measurement

Page 48, Q. 60

Correction in the question:

Correction in the solution:

Correct answer  is option (d)

Magnetism

Page 1139, Q. 68

Correct answer is option (a).

Magnetic Effect of current

Page 1107, Q. 2

Change key: Correct answer is option (d)

Correction in the solution:

Instead of ĵ write -ĵ.

Magnetic Effect of Current

Page 1121, Q. 129

Solution is wrong.

Write attached solution.

Correct answer is option (c).


CHEMISTRY JEE

CHAPTER NAME

LOCATION

ERROR

Structure of Atom

Page 107, Q. 28

Option (d) is correct

Classification of Elements and Periodicity in Properties

Page 159, Q. 28

None of the options (F<Li<Na<K)

Hydrogen

Page 585, Q. 13

Mistake in option (c)

States of Matter

Page 305, Q. 2

Option (b) is correct

Chemical Equilibrium

Page 407, Q. 5

Option (c) is correct

Purification, Classification and Nomenclature of Organic Compounds

Page 737, Q. 151

Question is wrong

Hydrogen

Page 599, Q. 40

Option (a) is correct

Redox Reactions

Page 563, Q. 66

Option (a) & (b) are correct

Hydrocarbons

Page 987, Q. 103

Option (b) & (e) are correct

Surface Chemistry

Page 1421, Q. 54

Option (a) is correct

General Organic Chemistry

Page 867, Q. 18

Option (c) is correct

General Organic Chemistry

Page 851, Q. 17

Option (e) is correct

Haloalkanes and Haloarenes

Page 1798, Q. 2

All options are wrong

Ionic Equilibrium

Page 497, Q. 68

Option (a) & (c) are correct

Biomolecules

Page 2190, Q. 137

Misprinting in Question

Classification of Elements and Periodicity in Properties

Page 142, Q.39

Misprinting in option (c)

Classification of Elements and Periodicity in Properties

Page 168, Q. 16

Option (b) is correct

Electrochemistry

Page 1216, Q. 54

Correct answer is 5

General Organic Chemistry

Page 833, Q. 21

Solution is wrong

Purification, Classification and Nomenclature of Organic Compounds

Page 747, Q. 33

Option (a) is correct

Purification, Classification and Nomenclature of Organic Compounds

Page 750, Q. 100

Option (a) is correct

Hydrocarbons

Page 980, Q. 116

Mistake in Solution

Hydrocarbons

Page 952, Q. 66

Option (c) is correct

Hydrocarbons

Page 990, Q. 25

Option (a) is correct

Hydrocarbons

Page 1008

Question numbering is wrong from 15 to 22

Solutions

Page 1105, Q. 1

Mistake in Question

Electrochemistry

Page 1221, Q. 45

Option (c) is correct

Chemical Kinetics

Page 1301, Q. 139

Option (c) & (d) are correct

Chemical Kinetics

Page 1302, Q. 164

Option (b) is correct

Polymers

Page 2253, Q. 27

Option (a) is correct

The p-Block Elements (Nitrogen, Oxygen, Halogen and Noble Family)

Page 1541, Q. 34

Option (a) is correct

Alcohols, Phenols and Ethers

Page 1893, Q. 22

None of the options

Alcohols, Phenols and Ethers

Page 1856, Q. 38

Mistake in question

Purification, Classification and Nomenclature of Organic Compounds

Page 732, Q. 91

Option (d) is correct

Thermodynamics and Thermochemistry

Page 385, Q. 16

Option (d) is correct

Solutions

Page 1140, Q. 4

Option (d) is correct

Some Basic Concepts of Chemistry

Page 27, Q. 1

None of the options

Hydrocarbons

Page 960, Q. 36

Option (b) & (c) are correct

Purification, Classification and Nomenclature of Organic Compounds

Page 752, Q. 130

Option (d) is correct

General Organic Chemistry

Page 842, Q. 77

Option (c) is correct

Hydrocarbons

Page 952, Q. 64

Mistake in question

d- and f-Block Elements

Page 1623, Q. 59

Option (b) & (d) are correct

Haloalkanes and Haloarenes

Page 1808, Q. 1

Option (c) is correct

Electrochemistry

Page 1220, Q. 32

Question is wrong

Amines

Page 2136, Q. 21

Option (d) is correct

Amines

Page 2147, Q. 8

None of the options

The p-Block Elements (Nitrogen, Oxygen, Halogen and Noble Family)

Page 1549, Q. 157

Option (d) is correct

General Principles & Processes of Isolation of Elements

Page 1456, Q. 8

Option (a) is correct

Ionic Equilibrium

Page 513, Q. 108

Option (d) is correct

Nuclear Chemistry

Page 1360, Q. 29

Option (b) is correct

Electrochemistry

Page 1219, Q. 5

Option (b) is correct

General Principles & Processes of Isolation of Elements

Page 1464, Q. 10

Q. is wrong

General Principles & Processes of Isolation of Elements

Page 1470, Q. 33

Option (b) is correct

General Principles & Processes of Isolation of Elements

Page 1471, Q. 61

A- q, r

General Principles & Processes of Isolation of Elements

Page 1471, Q. 63

E- r, F-u

The p-Block Elements (Nitrogen, Oxygen, Halogen and Noble Family)

Page 1547, Q. 107

Option (e) is correct

d- and f-Block Elements

Page 1626, Q. 138

Solution is wrong but answer is correct


 PHYSICS JEE

CHAPTER NAME

LOCATION

ERROR

Thermodynamics

QUESTIONS

Download Question here http://bit.ly/2xJRJqN

Units, Dimensions and Measurement

Page 63, Q. 30

Change Key: Correct answer is option (c)

Solution is Correct

Units, Dimensions and Measurement

Page 69, Q. 104

Change Key: Correct answer is option (b)

Solution is Correct

Units, Dimensions and Measurement

Page 70, Q. 119

Change Key:  Correct answer is option (b)

Solution is Correct.

Motion in One Dimension

Page 136, Q. 118

Change Key:  Correct answer is option (c)

Solution is Correct

Motion in One Dimension

Page 130, Q. 53

Change Key:  Correct answer is option (c)

Solution is Correct.

Motion in Two Dimension

Page 196, Q. 9

Change Key:  Correct answer is option (a)

Solution is Correct.

Newton's Laws of Motion

Page 246, Q. 11

Change Key:  Correct answer is option (d)

Solution is Correct.

Newton's Laws of Motion

Page 255, Q. 2

Change Key:  Correct answer is option (d)

Solution is Correct.

Work, Energy, Power and Collision

Page 367, Q. 45

Change Key:  Correct answer is option (a)

Solution is Correct.

Rotational Motion

Page 470, Q. 24

Change Key:  Correct answer is option (a)

Solution is Correct.

Rotational Motion

Page 472, Q. 32

Change Key:  Correct answer is option (a)

Solution is Correct.

Thermometry, Thermal Expansion and Calorimetry

Page 695, Q. 9

Change key: Correct answer is option (d)

Solution is Correct.

Kinetic Theory of Gases

Page 740, Q. 8

Change Key: Correct answer is option (a)

Solution is Correct.

Elasticity

Page 597, Q. 58

Change Key:  Correct answer is option (a)

Solution is Correct.

Surface Tension

Page 628, Q. 17

Change Key:  Correct answer is option (a)

Solution is Correct.

Fluid Mechanics

Page 664, Q. 17

Given key is correct. (b)

Correction in the solution:

In solution write:

When ice block contains a glass ball, it displaces some amount of water. But when the ice melts, then glass ball displaces less amount of water than the previous case. Hence, water level falls.

Current Electricity

Page 1313, Q. 58

Change Key:  Correct answer is option (a)

Solution is Correct.

Current Electricity

Page 1316, Q. 106

Change Key:  Correct answer is option (d)

Solution is Correct.

Elasticity

Page 599, Q. 3

Change Key: Correct answer is option (b)

Solution is Correct.

Current Electricity

Page 1312, Q. 41

Change Key: Correct answer is option (d)

Solution is Correct.

Magnetic Effect of Current

Page 1430, Q. 57

Change Key: : Correct answer is option (c)

Solution is Correct.

Simple Harmonic Motion

Page 871, Q.16

Change Key:  Correct answer is option (a)

Correction in solution:

REPLACE THE GIVEN SOLUTION BY:

When the body is moving towards equilibrium position, then the direction of restoring force and acceleration is the same, so power delivered will be positive and it will be maximum when displacement is

Electromagnetic induction

Page 1525 and 1547, Q.28

Question and Solution is wrong

Correction in Question:

Instead of 2π write π.

Correction in Solution:

Write as shown in attached image:

Electromagnetic induction

Page 1545, Q.15

Change key: Correct answer is option (a)

Alternating Current

Page 1599, Q.100

Question is missing.

This question is incomplete. Question to be replaced.

Alternating Current

Page 1600, Q.114

Change key: Correct answer is option (b)

Solution is Correct.

Alternating Current

Page 1603, Q.155

Change key: Correct answer is option (a)

Correction in the solution:

Instead of -4 write 4 in power of 10.

Electron, Photon Photoelectric Effect

Page 1670, Q. 25

Change Key:  Correct answer is option  (a).

Solution is Correct.

Ray Optics

Page 1890, Q.21

Change Key:  Correct answer is option (b)

Solution is Correct.

Ray Optics

Page 1899, Q.73

Change Key: Correct answer is option  (d)

Solution is Correct.

Wave Optics

Page 2007, Q.48

Correction in solution:

Instead of 6.99 write 6.08.

Instead of 7 write 6.

Given option (b) is correct.

Wave Optics

Page 2016, Q.103

Change Key:  Correct answer is option  (b)

Solution is Correct.

Communication

Page 1863, Q. 23

Change Key:  Correct answer is option  (c)

Solution is Correct.

Thermodynamics

Page ix, Q.12

Change Key:  Correct answer is option  (c)

Solution is Correct.

Units, Dimensions and Measurement

Page 81, Q.34

Change Key: Correct answer is option  (c)

Solution is Correct.

Rotational Motion

Page 433, Q. 37

Correction in the question:

Instead of “in problem 5” write “in problem 36

Gravitation

Page 534, Q.64

Correction in the question:

In option (a), increase the curvature of left side plot.

Work, Energy, Power and Collision

Page 341, Q.107

Correction in the question:

Option (a) and (c) are the same.

Change option as shown in attachment.

Newton's Laws of Motion

Page 262, Q. 30

Correction in question:

In all options replace ms-1 by ms-2

Electrostatics

Page 1123, Q.98

Correction in question:

In all options replace μ μF by μF.

Fluids Mechanics

Page 675, Q.7

Change Key: Correct answer is (ab)

Rotational Motion

Page 490, Q.89

Change Key:  Correct answer is option (b)

Solution is Correct.

Transmission of Heat

Page 852, Q.11

Change Key:  Correct answer is option (a)

Solution is Correct.

Transmission of Heat

Page 853, Q.18

Change Key:  Correct answer is option (c)

Solution is Correct.

Transmission of Heat

Page 854, Q.27

Change Key:  Replace (3) by (9).

Transmission of Heat

Page 854, Q.28

Correction in the solution:

Replace f = ⅓ by f = 3.

Magnetic Effect of Current

Page 1423, Q. 94

Change Key:  Correct answer is option (a)

Solution is Correct.

Magnetic Effect of Current

Page 1396, Q.57

Change Key:  Correct answer is option (c)

Solution is Correct.

Simple Harmonic Motion

Page 912, Q.31

Correction in the solution:

Replace 0.03 sec by 0.30 sec

Alternating Current

Page 1599, Q.100

Question is incomplete in book.

This question is incomplete. Question to be replaced.

Electronics

Page 1828, Q. 38

Correction in the question: Instead of  collector supply voltage write  current gain.

Electronics

Page 1834, Q.39

Correction  in question and solution.

Kindly change them as shown in attachment.

Correct answer is option (c)

Wave Optics

Page 2006, Q.39

Change Key:  Correct answer is option (d)

Solution is Correct.

Wave Optics

Page 2016, Q.103

Change Key:  Correct answer is option (b)

Solution is Correct.

Alternating Current

Page 1590, Q. 22

Change Key:  Correct answer is option (b)

Correction in the solution:

Instead of 9.99= 10 V write 5√3 V

Thermodynamics

Page 783, Q.21

Change Key: Correct answer is option (b)

Correction in the solution:

Instead of ΔV=0 write ΔU=0

Thermodynamics

Page 785, Q.32

Correction in the question:

In option (b) write:

Correction  in the Solution:

Change Key: Correct option is (b)

Delete the last line of the solution.

Work, Energy, Power and Collision

Page 338, Q.88

Change Key:  Correct answer is option (b)

Correction in the solution:

Change the solution as shown in the attachment.

Work, Energy, Power and Collision

Page 342, Q.17

Change Key:  Correct answer is option (c)

Correction in the solution:

Write solution from the given attachment.

Motion in one dimension

Page 105, Q.62

Change Key:  Correct answer is option  (d).

Correction in the solution:

Write solution from the given attachment.

Motion in one dimension

Page 113, Q.1

Change Key: Correct answer is option  (b). Correction  in the  Solution: 

Write from given attachment.

Electrostatics

Page 1147, Q.73

Correction in the solution:

Use small m, instead of Capital M.

At the end of solution write:

m1/m2 = √3 = 1.7

Correct option is (a)

Electrostatics

Page 1170, Q.3

Change Key: Correct answer is option (b)

Solution is Correct.

Current Electricity

Page 1290, Q.27

Diagram is missing in this Question.

Use attached diagram.

Thermodynamics

Page (xx), Q.34

Change Key: Correct answer is option (c)

Solution is Correct.

Newton's Laws of Motion

Page 258, Q. 40

Diagram is missing in Question.

Use attached diagram.

Rotational Motion

Page 476, Q.35

Correction in the solution:

Make changes in the solution using attachment.

Correct solution is option (a).

Simple Harmonic Motion

Page 911, Q.14

No change

Correct answer is option (a).

Rotational Motion

Page 428, Q.54

No change

Correct answer is option (a).

Rotational Motion

Page 447, Q.64

The question is incomplete.

Complete the question using the given attachment.

Rotational Motion

Page 449, Q.33

Correction in Question:

 Write in option (d) 1470 J

Ray Optics

Page 1893, Q.28

Answer Key and Solution are wrong.

Change key: Correct answer is option (b).

Write correct solution from the given attachment.

Units, Dimensions and Measurement

Page 50, Q. 50

The given dimension in question and solution is wrong.

Correction in Question:

Correction in Solution:

Units, Dimensions and Measurement

Page 51, Q. 60

Correction in the question:

Correction in the solution:

Correct answer  is option (d)

Magnetism

Page 1476, Q. 68

Change Key: Correct option is (a)

Solution is correct.

Magnetic Effect of current

Page 1427, Q. 2

Change Key:  Correct answer is option (d)

Correction in the solution:

Instead of ĵ write -ĵ.

Magnetic Effect of Current

Page 1441, Q. 129

Correction in the solution:

Write attached solution.

Correct answer is option (c).