Assertion: If the observer the source, then the apparent frquency is f'= [(gamma + gamma_(0))/(gamma + gamma_(s))]f Reason: Doppler effect in sound is asymmetrical whereas Doppler effect in light is symmetrical.

Assertion: If the observer the source, then the apparent frquency is f

1.	Assertion: If the observer the source, then the apparent frquency is f'= [(gamma + gamma_(0))/(gamma + gamma_(s))]f Reason: Doppler effect in sound is asymmetrical whereas Doppler effect in light is symmetrical.
Answer» Assertion and REASON are CORRECT and Reason is the correct EXPLANATION of Assertion Assertion and Reason are true but Reason is the false explanation of the Assertion. Assertion is true but Reason is false Assertion is false but Reason is true ANSWER :B