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.

917.

Which of the following pairs of musical instruments produce sound due to the vibration of air column?

A.

Bell and piano

B.

Guitar and flute

C.

Trumpet and drum

D.

Trumpet and flute

E.

Violin and organ

Correct answer is D

No explanation has been provided for this answer.

918.

Which of the following statements is correct about light and sound waves? Both

A.

are longitudinal waves

B.

are transverse waves

C.

have the same velocity in air

D.

need a medium for propagation

E.

transmit energy

Correct answer is E

No explanation has been provided for this answer.

919.

A body executing simple harmonic motion has an angular speed of 2π radians. Its period of oscillation is (π 3.14).

A.

0.05s

B.

1.00s

C.

2.00s

D.

3.14s

E.

6.28s

Correct answer is B

No explanation has been provided for this answer.

920.

Which of the following statements about a gas is NOT correct?

A.

It has no definite shape

B.

It is compressible

C.

Its molecules are closely packed

D.

Its molecules gain kinetic energy when heated

E.

Its molecules move about randomly

Correct answer is C

No explanation has been provided for this answer.