AP (Advanced Placement) Physics(B-C): Questions 686 - 689 of 920

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Question number: 686

» Electric Circuits

MCQ▾

Question

In a circuit, two resistors of resistance and are connected parallel. If the power dissipated as heat by two resistors is , then how much current flowing through the circuit?

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Choice (5) Response

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e.

Question does not provide sufficient data or is vague

Question number: 687

» Light & Optics

MCQ▾

Question

An object placed a distance in front of a concave mirror with a focal length produces an image that is of the size of the original object. Then focal length of the lens is:

Choices

Choice (5) Response

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None of the above

Question number: 688

» Gravitation and Circular Motion

MCQ▾

Question

The weight of an object on the surface of Earth is . The radius of Earth is approximately . What would be the weight of the object if it were located above Earth’s surface?

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Choice (5) Response

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None of the above

Question number: 689

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

Question

A small sphere 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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c.

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None of the above

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