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.

1,711.

Electric energy is measured in

A.

ampere

B.

coulomb

C.

kilowatt-hour

D.

kilowatt

Correct answer is C

No explanation has been provided for this answer.

1,713.

The period of a simple pendulum of length 80.0cm was found to have doubled when the length of the pendulum was increased by X. Calculate X.

A.

26.7cm

B.

40.0cm

C.

160.0cm

D.

240.0cm

Correct answer is D

No explanation has been provided for this answer.

1,714.

Two forces 6N and 8N, act eastwards and northwards respectively on a body. Calculate the magnitude of their equilibrant

A.

2N

B.

7N

C.

10N

D.

14N

Correct answer is C

R = \(\sqrt{A^2 + B^2} = \sqrt{6^2 + 8^2} = 10N\)