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Assertion : In Doppler's effect, when so...

Assertion : In Doppler's effect, when source moves towards listener, wavelength decreases and when source moves away from listener, wavelength increases.
Reason: In both the cases, there is a relative motion between source of sound and listener.

A

Assertin and reason both are correct and reason is the correct explantion of assertion.

B

Assertion and reason both area correct but reason is not the correct explanation of assertion.

C

Asserton is true but reaosn is false.

D

Both, assertion and reaosn are false.

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