AP (Advanced Placement) Physics(B-C): Questions 622 - 625 of 920

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 920 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 622

» Light & Optics

MCQ▾

Question

One lens with a strength of diopters and a second lens with a strength of diopters are brought into contact. What is the approximate focal length of the combination of the two lenses?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 623

» Light & Optics

MCQ▾

Question

What is the “red shift” of distant objects in the universe?

Choices

Choice (5) Response

a.

An observed increase in frequency of light emitted by objects moving toward Earth

b.

An observed decrease in frequency of light emitted by objects moving away from Earth

c.

An observed decrease in frequency of light emitted by objects moving toward Earth

d.

An observed increase in frequency of light emitted by objects moving away from Earth

e.

All of the above

Question number: 624

» Atomic & Nuclear Physics

MCQ▾

Question

Which of the following is NOT an isotope of hydrogen?

Choices

Choice (5) Response

a.

Deuterium

b.

Quaternion

c.

Tritium

d.

Protium

e.

All of the above

Question number: 625

» Electric Circuits

MCQ▾

Question

A circuit of a resistor and a capacitor

A Circuit of a Resistor and a Capacitor

In figure, a circuit of a resistor and a capacitor is shown.

In circuit diagram, the resistance of resistor is , a battery with an emf of , and a capacitor. When the switch off, the capacitor is charged for a very long time. What is the charge on the capacitor?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

f Page