# AP (Advanced Placement) Physics(B-C): Questions 333 - 335 of 921

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## Question number: 333

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MCQ▾

### Question

Two open plastic pipes produce the same frequency when they are struck. One pipe is sanded so that it is slightly shorter, and the pipes produce beats per second when they are struck at the same time. What is the frequency of the shorter pipe?

### Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

## Question number: 334

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MCQ▾

### Question

Which of the following is NOT a unit that could be used to measure kinetic energy?

### Choices

Choice (5)Response

a.

Watt

b.

Joule

c.

Erg

d.

Electron volt

e.

All of the above

## Question number: 335

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MCQ▾

### Question

Three tuning forks have the same frequency. A piece of clay is attached to the top of one tuning fork, which is labeled . A second tuning fork is left unchanged and is labeled . A third tuning fork has a different piece of clay attached to the top and is labeled . When and are struck simultaneously, beats per second are produced. When and are struck simultaneously, beats per second are produced. How does the frequency of tuning fork compare to the frequency of tuning fork ?

### Choices

Choice (5)Response

a.

Tuning fork is either or less than tuning fork .

b.

Tuning fork is less than tuning fork .

c.

Tuning fork is greater than tuning fork .

d.

Tuning fork is less than tuning fork .

e.

All of the above

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