AP (Advanced Placement) Physics(B-C): Questions 674 - 678 of 921

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Question number: 674

» Light & Optics

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MCQ▾

Question

What is the separation between two slits for which light has its second maximum at an angle of ?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question number: 675

» Electrostatics

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MCQ▾

Question

Three charges on vertex of triangle

Three Charges on Vertex of Triangle

Three identical charges are located on the vertex of an equilateral triangle of side . What is the amount of work done to assemble charges in triangular arrangement?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question number: 676

» Torque and Equilibrium

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MCQ▾

Question

A uniform rod of mass and length , balances horizontally, when the pivot placed at mid-point of rod. When an unknown object is hanged on right end of the rod, the pivot must be move right side from the mid-point of the rod. What is the approximate mass of unknown object?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question number: 677

» Atomic & Nuclear Physics

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MCQ▾

Question

If the decay constant of radioactive isotope is , then what is the half – life of this radioactive isotope?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 678

» Atomic & Nuclear Physics

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MCQ▾

Question

As a result of the emission of an alpha particle, an atomic nucleus

Choices

Choice (5)Response

a.

Decreases its atomic number by and increases its mass number by

b.

Increases its atomic number by and decreases its mass number by

c.

Decreases its atomic number by and decreases its mass number by

d.

Increases its atomic number by and increases its mass number by

e.

Question does not provide sufficient data or is vague

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