AP (Advanced Placement) Physics(B-C): Questions 840 - 844 of 920

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Question number: 840

» Electrostatics

MCQ▾

Question

 Three charges system

Three Charges System

In figure three charges system, is shown.

Three point charges are fixed in place as shown in above figure. What is the electric potential at point ?

(Assuming at infinity)

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 841

» Light & Optics

MCQ▾

Question

A beam of light traveling through an optical fiber reaches the end of the fiber and exits into air. If the incident angle on the end of the fiber is , what is the angle of refraction outside the fiber?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 842

» Electric Circuits

MCQ▾

Question

In a series circuit a battery is connected to two identical resistors of resistance . What is the power dissipated as heat by the resistor?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 843

» Atomic & Nuclear Physics

MCQ▾

Question

For Balmer series, the atomic transitions where final state of the electron is , what is the longest wavelength possible?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 844

» Fluids & Solids

MCQ▾

Question

A block floats below the surface when placed in liquid – 1 and below the surface when placed in a liquid – 2. The density of liquid – 1 is . Which of the following most closely approximates the density of the liquid – 2?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

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