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.

3,366.

A listener can detect the instrument from which a note is being sounded because different instruments produce the same note with a different.

A.

frequencies

B.

pitches

C.

loudness

D.

intensities

E.

overtones

View answer & explanation

Correct answer is E

No explanation has been provided for this answer.

3,367.

The period of a wave is 0.02 second. Calculate its wavelength if its speed is 330 ms-1

A.

6.6m

B.

5.0m

C.

4.0m

D.

3.3m

E.

2.0m

View answer & explanation

Correct answer is A

No explanation has been provided for this answer.

3,368.

A sound note of frequency 250 Hz and wavelength 1.3m is produced at a point near a hill. If the echo of the sound is received 1 second later at the point, how far away is the hill from the point?

A.

131.3m

B.

162.5m

C.

248.7m

D.

251.3m

E.

325.0m

View answer & explanation

Correct answer is B

No explanation has been provided for this answer.

3,369.

Which of the following wave characteristics can be used to distinguish a transverse wave from a longitudinal wave?

A.

Reflection

B.

Refraction

C.

Diffraction

D.

Polarization

E.

Interference

View answer & explanation

Correct answer is D

No explanation has been provided for this answer.

3,370.

Which of the following media allow(s) the transmission of sound wave through them?

I. Air
II. Liquid
III. Solid.

A.

I only

B.

II only

C.

III only

D.

I and II only

E.

I, II and III.

View answer & explanation

Correct answer is E

No explanation has been provided for this answer.


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