AP (Advanced Placement) Physics(B-C): Questions 443 - 447 of 921

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Question number: 443

» Torque and Equilibrium

MCQ▾

Question

A meter stick with a mass of balances horizontally when a pivot is placed at the middle (on the mark). When an unknown object is placed at the mark, the pivot must be moved to the mark for the system to balance (Shown in figure). What is the mass of the unknown object?

An unknown object placed on meter scale

An Unknown Object Placed on Meter Scale

In figure an unknown object is placed on meter scale is shown.

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 444

» Light & Optics

MCQ▾

Question

A microscope has total magnification . The magnification produced by objective is . If least distance of distance vision is , then focal length of the eyepiece is:

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 445

» Thermodynamics

MCQ▾

Question

In a thermodynamic process, of work is done on the system which gives off of heat. What is the change in internal energy for the process?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Passage

A person went for a walk one day. He walked East at and then North at .

Question number: 446 (1 of 3 Based on Passage) Show Passage

» Kinematics in One and Two Dimensions

MCQ▾

Question

The average velocity of the entire trip is:

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 447 (2 of 3 Based on Passage) Show Passage

» Kinematics in One and Two Dimensions

MCQ▾

Question

The total displacement of the entire trip is approximately:

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

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