AP (Advanced Placement) Physics(B-C): Questions 683 - 687 of 921

Access detailed explanations (illustrated with images and videos) to 921 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

How to register? Already Subscribed?

Question 683

Question

MCQ▾

How much amount of a radioactive isotope of atomic weight is necessary to provide a source of particles of millicuries strength? Consider half-life of this radioactive isotope is .

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question 684

Question

MCQ▾

An ideal gas is filled in a sealed and rigid cylinder. If the temperature increases, then the density of the ideal gas:

Choices

Choice (5)Response

a.

becomes zero

b.

increases

c.

decreases

d.

remains same

e.

None of the above

Question 685

Question

MCQ▾
Circuit of Three Equivalent Resistors

In circuit diagram, combination of three equivalent resistors is connected with battery. The total current flowing through circuit is . If the internal resistance of battery and wires is negligible, then what is resistance of each resistor?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question 686

Question

MCQ▾

In a circuit, two resistors of resistance and are connected parallel. If the power dissipated as heat by two resistors is , then how much current flowing through the circuit?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question 687

Question

MCQ▾

An object placed a distance in front of a concave mirror with a focal length produces an image that is of the size of the original object. Then focal length of the lens is:

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Developed by: