# Periodic Motion, Mechanical Waves & Sound (AP (Advanced Placement) Physics(B-C)): Questions 1 - 3 of 73

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## Question number: 1

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

### Question

Blowing across a tube open at both ends produces a musical note. If you place your finger over the open end of the tube at the bottom and blow across the top of the tube, a second note is produced. Compare the pitch and frequency of the second note to that of the note produced with the pitch and frequency of the original note.

### Choices

Choice (5) Response

a.

The second note has a higher pitch and one half the frequency.

b.

The second note has a lower pitch and one half the frequency.

c.

The second note has a higher pitch and twice the frequency.

d.

The second note has a lower pitch and twice the frequency.

e.

None of the above

## Question number: 2

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

### Question

A person is driving on a divided highway at , and encounters an emergency vehicle with a siren that is emitting a constant frequency. In which of the following situations will he hears the highest frequency from the siren?

### Choices

Choice (5) Response

a.

The emergency vehicle is behind you, moving in your direction at .

b.

The emergency vehicle is ahead of you, moving away from you at .

c.

The emergency vehicle is in the lane next to you, moving in the same direction at .

d.

The emergency vehicle is ahead of you, moving toward you from the other direction at .

e.

All of the above

## Question number: 3

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

### Question

A mass oscillates on a spring with a period of and an amplitude of . Which of the following equations describes the position of the oscillating mass as a function of time?

### Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above