AP (Advanced Placement) Physics(B-C): Questions 772 - 775 of 921

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Question number: 772

» Atomic & Nuclear Physics

MCQ▾

Question

The frequency of the photoelectric threshold for silver is . What is the velocity of electron ejected from a silver surface by ultraviolet light of frequency

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 773

» Linear Momentum

MCQ▾

Question

A sphere of mass is moving with to east. It collides with another sphere of mass , which moving with speed to west. After collision, sphere of mass is moving with to west. What is the velocity of the sphere of mass , after the collision?

Choices

Choice (5) Response

a.

to the east

b.

to the east

c.

to the west

d.

to the west

e.

None of the above

Question number: 774

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

Question

Nikesh find a spring in the laboratory. When he hang at the end of the spring is stretches . He pulls the mass from its equilibrium position and let it go at . Which of the following gives an equation of the position of mass as a function of time?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 775

» Magnetic Field & Electromagnetism

MCQ▾

Question

A turn coil having an axial length of and a radius of is pivoted in a magnetic field having a flux density of . If the coil carries a current of , the torque acting on the coil will be:

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

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