AP (Advanced Placement) Physics(B-C): Questions 708 - 712 of 921

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Question number: 708

» Atomic & Nuclear Physics

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MCQ▾

Question

The half – life of radioactive isotope is . How many amount of radioactive isotope remains after ?

Choices

Choice (5)Response

a.

b.

0

c.

d.

e.

All of the above

Question number: 709

» Fluids & Solids

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MCQ▾

Question

An object of mass , floats in water. What is the buoyant force on the object?

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Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question number: 710

» Light & Optics

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MCQ▾

Question

An object that looks blue when viewed under a white light source will appear to be which color when illuminated by white light and viewed through a yellow filter?

Choices

Choice (5)Response

a.

Green

b.

Orange

c.

Black

d.

Red

e.

None of the above

Question number: 711

» Thermodynamics

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MCQ▾

Question

Two walls of a room are made up of same material. Area and thickness of one wall are and , respectively; and area and thickness of another wall are and , respectively. If the temperature of inside the room is and temperature of outside the room is ; then what is the ratio of conduction rates of walls?

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Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 712

» Work, Energy and Power

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MCQ▾

Question

A car produced power to accelerates it from rest to a speed of in . What is the speed in time ?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

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