AP (Advanced Placement) Physics(B-C): Questions 262 - 265 of 921

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Question number: 262

» Thermodynamics

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MCQ▾

Question

In a sealed, rigid container of an ideal gas held at constant volume, one would expect

Choices

Choice (5)Response

a.

Pressure to increase as temperature increases

b.

The internal energy of molecules to decrease as temperature increases

c.

Pressure to decrease as temperature increases

d.

The average kinetic energy of molecules to decrease as pressure increases

e.

All of the above

Question number: 263

» Electric Circuits

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Question

A parallel plate capacitor stores of energy when charged to an electric potential difference of . If the capacitor is charged again to a potential difference of only , what will be the energy stored in the same capacitor?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question number: 264

» Linear Momentum

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Question

A firecracker with a mass of is sitting on top of a level table. The firecracker explodes into three pieces, of masses , and . All the pieces move at the same speed in different directions. (This won’t happen often! ) Which of the following illustrations shows possible velocity vectors for the three pieces?

Choices

Choice (5)Response

a.

Velocity vectors of 1g, 2g and 3g : Choice – A

b.

Velocity vectors of 1g, 2g and 3g : Choice – B

c.

Velocity vectors of 1g, 2g and 3g : Choice – C

d.

Velocity vectors of 1g, 2g and 3g : Choice – D

e.

All of the above

Question number: 265

» Periodic Motion, Mechanical Waves & Sound

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MCQ▾

Question

A guitar string attached at both ends is long and produces a fundamental note of frequency when it is plucked. What are the frequencies of the first and second overtones of this string?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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