AP (Advanced Placement) Physics(B-C): Questions 865 - 869 of 921

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Question number: 865

» Magnetic Field & Electromagnetism

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Question

Two long parallel conductors separated by , each of them carrying current . The force per meter of length of each conductor will be:

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 866

» Light & Optics

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Question

An astronomical telescope consists of two lenses of powers . What is the magnifying power in normal adjustment?

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Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question number: 867

» Electrostatics

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Question

Two point charges each carrying charge of , are placed on x – axis at and . What is the net electric field due to these two point charges, at point ?

Two point charges placed in Cartesian coordinate system

Two Point Charges Placed in Cartesian Coordinate System

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Choice (5)Response

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b.

c.

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None of the above

Question number: 868

» Light & Optics

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Question

An object placed a distance in front of a convex mirror with a focal length produces an image that is one half the size of the original object. Which of the following correctly expresses the focal length?

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Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 869

» Light & Optics

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MCQ▾

Question

A biology student inspects a slide by using a microscope that has a eyepiece lens and by setting the objective lens at . If an object on the slide that is in diameter, then what will be the diameter appeared by him?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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