MEDIUM
7th CBSE
IMPORTANT
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What are the factors which affect the loudness of sound?

Important Questions on Sound

MEDIUM
7th CBSE
IMPORTANT
What are the factors which affect the pitch of sound?
MEDIUM
7th CBSE
IMPORTANT
Describe an experiment to prove that sound is produced by vibrating bodies.
MEDIUM
7th CBSE
IMPORTANT
Give two practical applications of reflection of sound.
MEDIUM
7th CBSE
IMPORTANT
What is the minimum distance required to hear an echo, when the speed of sound in air is 340 m s-1?
MEDIUM
7th CBSE
IMPORTANT
Describe an experiment to prove that the pitch of the sound is dependent on the length of a vibrating air column.
MEDIUM
7th CBSE
IMPORTANT
Explain how sound is produced by animals.
MEDIUM
7th CBSE
IMPORTANT
Explain how the sound produced by a source reaches the ear with a neat diagram.
MEDIUM
7th CBSE
IMPORTANT
Explain how sound is produced in humans.