EASY
9th CBSE
IMPORTANT
Earn 100

Can sound waves propagate through (i) solids (ii) liquids (iii) gases?

Important Questions on Sound

EASY
9th CBSE
IMPORTANT
Physics>Chapter 6 - Sound>PERIODIC TEST>Q (b)

Show compressions and rarefactions in a longitudinal wave.

MEDIUM
9th CBSE
IMPORTANT
Physics>Chapter 6 - Sound>PERIODIC TEST>Q (c)

Why do water waves die out after some time?

EASY
9th CBSE
IMPORTANT
Physics>Chapter 6 - Sound>PERIODIC TEST>Q (d)

Two person talk to each other on the surface of moon. Will they be able to hear each other?

EASY
9th CBSE
IMPORTANT
Physics>Chapter 6 - Sound>PERIODIC TEST>Q (e)

Expand the term SONAR.

EASY
9th CBSE
IMPORTANT
Physics>Chapter 6 - Sound>PERIODIC TEST>Q (f)

What is an elastic wave?

EASY
9th CBSE
IMPORTANT
Physics>Chapter 6 - Sound>PERIODIC TEST>Q (g)

Show the wavelength of a wave with the help of a diagram.

MEDIUM
9th CBSE
IMPORTANT
Physics>Chapter 6 - Sound>PERIODIC TEST>Q (h)

How is a longitudinal wave represented graphically?

EASY
9th CBSE
IMPORTANT
Physics>Chapter 6 - Sound>PERIODIC TEST>Q (i)

What is meant by quality of sound?