AP (Advanced Placement) Physics(B-C): Questions 539 - 542 of 921

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Question number: 539

» Atomic & Nuclear Physics

MCQ▾

Question

What does the symbol for the element helium mean?

Choices

Choice (5) Response

a.

An atom of helium has protons and a total of charged nucleons.

b.

A helium nucleus has protons and neutrons.

c.

An atom of helium has protons and electrons.

d.

A helium nucleus has protons and neutrons.

e.

None of the above

Question number: 540

» Atomic & Nuclear Physics

MCQ▾

Question

The work function of a metal is . What is velocity of photoelectrons from this metal ejected by light of wavelength ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 541

» Linear Momentum

MCQ▾

Question

Two skaters stand face to face on the ice. Skater has a mass of moving with towards skater , and skater has a mass of moving with towards skater 1. As they collide, they hold each other and start moving together. What would be the final speed of both skater after collision?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 542

» Fluids & Solids

MCQ▾

Question

When a block is immersed in water, it has an apparent weight of . What is the density of the block?

(Let )

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

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