AP (Advanced Placement) Physics(B-C): Questions 406 - 408 of 921

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Question number: 406

» Periodic Motion, Mechanical Waves & Sound

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MCQ▾

Question

A clarinet is tuned to play middle C. Which property of the note does NOT change as the clarinet is played and the air becomes warmer inside the instrument?

Choices

Choice (5)Response

a.

Pitch

b.

Frequency

c.

Speed

d.

Wavelength

e.

Question does not provide sufficient data or is vague

Question number: 407

» Periodic Motion, Mechanical Waves & Sound

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MCQ▾

Question

As sound waves travel in a fluid from a region of higher density to a region of lower density, the waves may change direction. What is the best explanation for this?

Choices

Choice (5)Response

a.

Attenuation

b.

Refraction

c.

Diffraction

d.

Reflection

e.

None of the above

Question number: 408

» Linear Momentum

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MCQ▾

Question

In an experiment, a small block slides down a track and hits a second identical block at the edge of a desk above the floor. The first block is moving horizontally when it hits the stationary block, and the two collide off-center. As a result, the two blocks hit the floor moving in different directions. The first block hits the floor a distance of at an angle of from the centerline (a line along the original trajectory of the first block), and the second block hits the floor a distance of at an angle of from the centerline. What was the speed of the first block when it hit the second block on the track?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

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