AP (Advanced Placement) Physics(B-C): Questions 551 - 555 of 920

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Question number: 551

» Atomic & Nuclear Physics

MCQ▾

Question

When a nucleus in an excited state emits a gamma photon,

Choices

Choice (5) Response

a.

A neutron in the nucleus is converted to a proton of higher energy

b.

The atomic number is reduced, accounting for the energy of the emitted photon

c.

The mass number of the nucleus is reduced, accounting for the energy of the emitted photon

d.

The reduction in mass of the nucleus corresponds to the energy of the gamma photon

e.

None of the above

Passage

Graph of velocity vs time

Graph of Velocity vs Time

In figure graph of velocity vs time is shown.

A particle of mass is moving on linear path. The graph of velocity vs time is given in above figure.

Question number: 552 (1 of 2 Based on Passage) Show Passage

» Kinematics in One and Two Dimensions

MCQ▾

Question

How much, particle is displaced between time and ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 553 (2 of 2 Based on Passage) Show Passage

» Kinematics in One and Two Dimensions

MCQ▾

Question

Let, particle covers distance in time interval from to . If time , then what will be the time ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 554

» Atomic & Nuclear Physics

MCQ▾

Question

If the half - life of of a radioactive isotope is years, then how many will remain in ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 555

» Linear Momentum

MCQ▾

Question

In figure, three objects placed on a straight line.

In Figure, Three Objects Placed on a Straight Line.

In figure, three objects placed on a straight line.

As shown in above figure, three objects and of masses, and , respectively; are kept in straight line on frictionless horizontal surface. Object moves towards stationary object with a speed and makes elastic collision with it. Thereafter object makes completely inelastic collision with . All motions occur on the same straight line. What is the final speed of the object ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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