AP (Advanced Placement) Physics(B-C): Questions 490 - 493 of 921

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Question 490

Question

MCQ▾

What is the distance in between crystal planes in an atomic solid if electromagnetic radiation of frequency incident at a angle creates constructive interference fringes (assume ) ?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question 491

Question

MCQ▾

A system of ideal gas molecules contains moles of gas. of work is done in compressing the gas as the gas gives off of energy. Then the gas is allowed to expand, doing of work on its surroundings. What is the net change in internal energy of the gas as a result of these processes?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question 492

Question

MCQ▾

Which of the following equations correctly expresses the momentum of a photon?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question 493

Question

MCQ▾

A wooden block is placed in water and floats submerged and above water. When the block is placed on an a liquid which is as dense as water, the block:

Choices

Choice (5)Response

a.

Floats under the surface of the alcohol

b.

Floats under the surface of the alcohol

c.

Floats under the surface of the alcohol

d.

Sinks in the alcohol

e.

Question does not provide sufficient data or is vague

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