Skill Level 2

Test your knowledge.

This quiz is is meant to be taken after reviewing Skill Level 2 Help page. These questions use level appropriate math skills. The answers to each question will be revealed after the completion to this quiz.

List of Equations

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Use for Questions 1-4(Recall that the velocity of sound = 343 m/s)

1. Determine the Frequency, Period, and Wavelength *

1 point

f = 1 [Hz] , T = 1 [sec] , λ = 343 [m]

f = 4 [Hz] , T = 0.25 [sec] , λ = 85.75 [m]

f = 8 [Hz] , T = 0.125 [sec] , λ = 42.875 [m]

f = 2 [Hz] , T = 0.5 [sec] , λ = 175.5 [m]

2. Determine the Amplitude, Phase Shift, and DC Shift *

1 point

A = 3 , φ = π / 5 , B = 0

A = 4 , φ = π / 5 , B = 0

A = 3 , φ = 2π / 5 , B = 1

A = 1 , φ = 2π / 5 , B = 4

3. Determine the equation of the Graph *

1 point

3 sin(2π4 t+2π/5) + 1

3 sin(4 t+ π/5 ) +1

4 sin(2π4 t+2π/5)

sin(2π4 t + 2π/5) + 1

4. An increase in period means a ______ in frequency, and _______ in wavelength. *

1 point

Decrease , Decrease

Increase , Decrease

Decrease, Increase

Increase, Increase

Use for question 5 - 7

5. What are the frequencies of Images, A , B , and C? *

1 point

A: f = 2 , B: f= 3 , C: f = 2

A: f = 1 , B: f= 2 , C: f = 3

A: f = 2 , B: f= 2 , C: f = 2

A: f = 2 , B: f= 4 , C: f = 2

6. What is the Duty Cycle of the Square Wave in Image B? *

1 point

25%

50%

75%

100%

7. What type of Signal is Shown in Image D? *

1 point

Sine Wave

Square Wave

Sawtooth Wave

Linear Chirp

8. If we wanted to make a Sine Wave into an equivalent Cosine Wave we would apply a ______ phase shift of _____, or we could apply ______ phase shift of _____ . *

1 point

Positive , 3π/2 , Negative , π/2

Negative , 3π/2 , Positive , π/2

Positive , π/2 , Negative , π/2

Negative , 3π/2 , Positive , 3π/2

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