AP (Advanced Placement) Physics(B-C): Questions 884 - 887 of 920

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Question number: 884

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

Question

An object attached with a spring oscillates about the equilibrium position with a period of . The amplitude of the oscillation is . If at a displacement , the acceleration is , then what is velocity of small sphere at displacement ?

Choices

Choice (5) Response

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b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 885

» Light & Optics

MCQ▾

Question

The focal length of a lens, whose power is , is:

Choices

Choice (5) Response

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b.

c.

d.

e.

None of the above

Question number: 886

» Atomic & Nuclear Physics

MCQ▾

Question

The graph represents data from a photoelectric effect experiment. Estimate the minimum (cutoff) frequency of light that will cause ejection of electrons from zinc.

Kinetic energy vs Frequency

Kinetic Energy vs Frequency

In figure Kinetic energy vs Frequency graph is shown.

Choices

Choice (5) Response

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b.

c.

d.

e.

None of the above

Question number: 887

» Torque and Equilibrium

MCQ▾

Question

A car of mass is placed on an inclined ramp of angled with horizontal. What is the normal force of the ramp on the car in Newton?

Choices

Choice (5) Response

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b.

c.

d.

e.

Question does not provide sufficient data or is vague

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