EASY
9th CBSE
IMPORTANT
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Mechanical waves require for propagation.

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Important Questions on Sound

MEDIUM
9th CBSE
IMPORTANT

X-Rays, light rays are electromagnetic waves.

EASY
9th CBSE
IMPORTANT
A transverse wave consists of compressions and rarefactions.
EASY
9th CBSE
IMPORTANT
What is the distance between two consecutive crests?
EASY
9th CBSE
IMPORTANT
What is the distance between two consecutive troughs?
EASY
9th CBSE
IMPORTANT
What is the distance between a consecutive crest and trough in terms of wavelength?
EASY
9th CBSE
IMPORTANT
The displacement of a particle at any instant of time from its mean position is called the amplitude of wave.