AP (Advanced Placement) Physics(B-C): Questions 787 - 791 of 921

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Question number: 787

» Light & Optics

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MCQ▾

Question

One lens with a focal length of and a second lens with a focal length of are brought into close contact. What is the lens strength, in diopters, of the combination of the two lenses?

Choices

Choice (5)Response

a.

2

b.

4

c.

6

d.

8

e.

None of the above

Question number: 788

» Electric Circuits

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MCQ▾

Question

Two identical parallel plate capacitors charged with different potential differences. Capacitor stored of energy when charged to potential difference of . How much energy stored by Capacitor 2, when it charged to potential difference of ?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question number: 789

» Light & Optics

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MCQ▾

Question

A light of wavelength falls on a single slit and produces its first diffraction minimum at an angle of relative to the incident direction of the light. At what angle second minimum produced?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question number: 790

» Periodic Motion, Mechanical Waves & Sound

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MCQ▾

Question

The equation of displacement of an object of mass , which oscillates with a spring is . What is the spring constant?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question number: 791

» Atomic & Nuclear Physics

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MCQ▾

Question

At temperature , the black body radiation energy density is nearly:

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

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