EASY
8th CBSE
IMPORTANT
Earn 100

Match the Column I with Column II.
Column I Column II
(a) Unit of frequency (i) Low shrillness
(b) Pleasant sound (ii) Noise
(c) Low frequency (iii) Hertz
(d) Sound (iv) Music
(e) Unwanted sounds (v) Vibration of body

 

Important Questions on Sound

EASY
8th CBSE
IMPORTANT

Explain how does a sound making object differ from one that is silent.


EASY
8th CBSE
IMPORTANT

Mention the reason that brings the sound of firecrackers to our ears.

EASY
8th CBSE
IMPORTANT

Mention the name of passage in the outer ear which carries sound waves to the eardrum.


EASY
8th CBSE
IMPORTANT

Sound can travel through vacuum. Is it correct?


EASY
8th CBSE
IMPORTANT

What do you understand by amplitude of vibration?


EASY
8th CBSE
IMPORTANT
Write the unit of loudness of sound.
EASY
8th CBSE
IMPORTANT

How much loudness can be tolerated by a normal human being?

EASY
8th CBSE
IMPORTANT

Cymbals (manjira) produces sound. Explain how.