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Assertion : A sound source is approachin...

Assertion : A sound source is approaching towards a stationary observer along the tine joining them. Then , apparent frequency to the observer will go on increasing.
Reason : If there is no relative motion between source and observer , apparent frequency is equal to the actual frequency.

A

If both Asseration and Reason are true an dthe Reason is correct explanation of the Asseration.

B

If both Asseration and Reason are true but Reason is not the correct explanation of Asseration.

C

If Asseration is true , but the Reason is false.

D

If Asseration is false but the Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
D
`f' = f ((nu) / (nu - nu_(s))) rArr f'gt f` but `f'` = constant.
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