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USS- BASIC SCINCE, Chapter 4(EM)
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what type of mirror is an Aranmula mirror?
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plane mirror
convex mirror
none of the
concave mirror
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The point at which the light strikes the surface is called :
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reflected ray
incident angle
point of incidence
incident ray
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when a person standing in front of a mirror raises his left hand :he see the reflections right hand raise.
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diffused reflection
regular reflection
lateral inversion
multiple reflection
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The angle of a ray incident on a mirror is 60⁰, what is the angle of reflection?
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30⁰
80⁰
60⁰
40⁰
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image is seen on a polished surface is:
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regular reflection
scattering
diffused reflection
refraction
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what do you say about the ray that hits a mirror and bounces back?
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Reflected ray
Incident ray
Diffused reflection
Ray
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which device is used in submarines?
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telescope
binocular
kaleidoscope
periscope
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the reason for seeing the reflection of a tree on a stagnant water surface.
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dispersion
diffused reflection
lateral inversion
regular reflection
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if the angle between two Mirrors is zero, then the number of images formed is:
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0
infinite
1
100
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what principle account for illusions in kaleidoscope?
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multiple reflection
lateral inversion
dispersion
scattering
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The following objects reflect light well.
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cloth
roofing tile
cardboard
new steel plate
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number of images formed when the angle between two plane mirror is 60⁰?
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2
5
6
3
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which of the following is a false statement?
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turbid water is translucent
soil is an Opaque object
hardboard is translucent object
air is transparent object
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which new Discovery related to the phenomenon of light was described by Raman effect?
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refraction
reflection
dispersion
scattering
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The result of diffused a reflection:
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light comes inside the room during the daytime
hate increases
irritation in eyes
brightness of light decreases in the room
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Name and School
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Your answer
if two plane mirrors are arranged in which of the following angle, two images are obtained.
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120⁰
90⁰
360⁰
180⁰
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The device in which multiple reflection is made use of:
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both of the above
kaleidoscope
None of the above
periscope
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which set of letters given below do not undergo lateral inversion in front of plane mirror?
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ANX
MZX
SAT
AOT
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what causes light to enter rooms during the day?
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lateral inversion
diffused reflection
regular reflection
refraction
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when can see the real bottom of the pool with the clear water. which phenomenon is behind it?
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light travels in a straight line
refraction
reflection
dispersion
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