AP (Advanced Placement) Physics(B-C): Questions 507 - 510 of 921

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Question number: 507

» Electric Circuits

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MCQ▾

Question

A parallel plate capacitor stores of energy when charged to an electric potential difference of . If the capacitor is charged again to a potential difference of only , what will be the energy stored in the same capacitor?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 508

» Light & Optics

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MCQ▾

Question

The total magnification produced by a compound microscope is . The magnification produced by the eyepiece is . The microscope is focused on a certain object. The distance between the objective and eyepiece is observed to be . If least distance of distinct vision is . What is the focal length of the objective and the eyepiece?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 509

» Force and Newton's Law of Motion

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MCQ▾

Question

A box of weight suspended by two cords is at rest, as shown following figure. Determine the approximate value of the tension in cord 2.

Two cords attached with a box

Two Cords Attached with a Box

In figure, two cords attached with a box is shown.

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 510

» Linear Momentum

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MCQ▾

Question

A body of mass is moving on rough horizontal surface with initial momentum . If it is stopped in distance , then what would be the value of coefficient of friction?

Choices

Choice (5) Response

a.

0.5

b.

0.8

c.

0.06

d.

Can’t determined

e.

None of the above