Physics questions and answers

Physics Questions and Answers

If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.

4,236.

Rainbow is produced when sunlight falls on drops of rain. Which of the following physical phenomena are responsible for this?

  1. Diffusion
  2. Refraction
  3. Internal reflection

A.

I, II and III

B.

I and II

C.

II and III

D.

I and III

Correct answer is C

No explanation has been provided for this answer.

4,237.

One should not connect a number of electrical appliances to the same power socket because

A.

this can damage the appliances due to overloading

B.

this can damage the domestic wiring due to overloading

C.

this can damage the electrical meter

D.

the appliance will not get full voltage

Correct answer is B

No explanation has been provided for this answer.

4,238.

Large astronomical telescopes always use ___________ as objective

A.

lens

B.

mirror

C.

combinations of lenses

D.

None of the above

Correct answer is C

No explanation has been provided for this answer.

4,239.

Identify the vector quantity from the following

A.

Heat

B.

Angular momentum

C.

Time

D.

Work

Correct answer is B

No explanation has been provided for this answer.

4,240.

Radiocarbon dating technique is used to estimate the age of

A.

rocks

B.

monuments

C.

soil

D.

fossils

Correct answer is D

No explanation has been provided for this answer.