AP (Advanced Placement) Physics(B-C): Questions 678 - 681 of 920

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Question number: 678

» Atomic & Nuclear Physics

MCQ▾

Question

As a result of the emission of an alpha particle, an atomic nucleus

Choices

Choice (5) Response

a.

Decreases its atomic number by and increases its mass number by

b.

Increases its atomic number by and increases its mass number by

c.

Decreases its atomic number by and decreases its mass number by

d.

Increases its atomic number by and decreases its mass number by

e.

All of the above

Question number: 679

» Linear Momentum

MCQ▾

Question

Two objects of masses and are moving along the same straight line and direction with velocities of and , respectively. They collide and after the collision, the first object moves at a velocity of . What is the velocity after the collision of second object?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 680

» Electrostatics

MCQ▾

Question

A latex balloon is charged up to . How many electrons are transferred in this process?

Choices

Choice (5) Response

a.

b.

c.

d.

None of the above

e.

All of the above

Question number: 681

» Thermodynamics

MCQ▾

Question

A mixture of of water and of ice at is, in a reversible process, brought to a final equilibrium state where the water/ice ratio, by mass at . What is the entropy change of the system during this process?

(Latent heat of water is )

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

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