# AP (Advanced Placement) Physics(B-C): Questions 334 - 336 of 921

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## Question number: 334

MCQ▾

### Question

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

### Choices

Choice (5) Response

a.

Electron volt

b.

Erg

c.

Joule

d.

Watt

e.

Question does not provide sufficient data or is vague

## Question number: 335

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 less than tuning fork .

b.

Tuning fork is less than tuning fork .

c.

Tuning fork is greater than tuning fork .

d.

Tuning fork is either or less than tuning fork .

e.

None of the above

## Question number: 336

MCQ▾

### Question

Two speakers output the same tone in the same phase. A person sitting in a chair across the room at the same distance from both speakers hears the tone very well. However, when the person moves the chair to the right so that he is one half meter closer to one speaker than to the other, he is not able to hear the tone well. What is the wavelength of the tone produced by the speakers?

### Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above