AP (Advanced Placement) Physics(B-C): Questions 910 - 913 of 920

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Question number: 910

» Light & Optics

MCQ▾

Question

If an optical medium has an average index of refraction of for white light, it can be concluded that a ray of white light traveling into the medium;

Choices

Choice (5) Response

a.

Has times the wavelength it would have in a vacuum

b.

Must change its direction

c.

Has two thirds the frequency it would have in a vacuum

d.

Has two thirds the speed it would have in a vacuum

e.

None of the above

Question number: 911

» Work, Energy and Power

MCQ▾

Question

How much the work done by friction on a box of mass sliding across a level floor if the coefficient of friction between the box and floor is and the distance the box moves is ? (Take )

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 912

» Atomic & Nuclear Physics

MCQ▾

Question

Which of the following is a fundamental particle?

Choices

Choice (5) Response

a.

Deuteron

b.

Proton

c.

Neutron

d.

Electron

e.

Question does not provide sufficient data or is vague

Question number: 913

» Atomic & Nuclear Physics

MCQ▾

Question

Under certain conditions, a particle-antiparticle pair (such as an electron and a positron) can annihilate each other, converting all the mass of the particles into two gamma photons. If is the mass of each particle; then which one of the following equation can be used to determine the frequency of each photon?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

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