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Assertion : Soft and hard X-rays differ ...

Assertion : Soft and hard `X`-rays differ in frequency as well as velocity.
Reason : The penetrating power of hard `X`- rays is more than the penetrating power of soft `X`-rays.

A

If both Assertion `&` Reason are True `&` the Reason is a correct explanation of the Assertion.

B

If both Assertion `&` Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False.

D

If both Assertion `&` Reason are False.

Text Solution

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The correct Answer is:
B
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