AP (Advanced Placement) Physics(B-C): Questions 764 - 767 of 920

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Question number: 764

» Light & Optics

MCQ▾

Question

Which of the following waves cannot be polarized?

Choices

Choice (5) Response

a.

Gamma rays passing through a vacuum

b.

Sound waves passing through air

c.

Visible light passing through a vacuum

d.

Radio waves passing through air

e.

Question does not provide sufficient data or is vague

Question number: 765

» Magnetic Field & Electromagnetism

MCQ▾

Question

The figure shows a particle of charge is entering a magnetic field of at angle . If the velocity of the particle is , then what is magnitude of the magnetic force on particle as it enters in the magnetic field?

A charge particle entering in magnetic field

A Charge Particle Entering in Magnetic Field

In figure, a charge particle entering in magnetic field is shown.

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 766

» Torque and Equilibrium

MCQ▾

Question

What is the force required to produced torque at an angle of from along a rod?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 767

» Light & Optics

MCQ▾

Question

The objective of an astronomical telescope has a diameter of and a focal length of . The eyepiece has a focal length of . What is the magnifying power of telescope?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

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