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Assertion (A): beta- particles have grea...

Assertion `(A): beta-` particles have greater penetrating power than `alpha-` rays but less than `gamma-`rays.
Reason `(R) : beta-` particles are lighter than `alpha-`particles but heavier than `gamma.`

A

If both `(A)` and `(R)` are correct , and `(R)` is the correct explanation of `(A)`

B

If both `(A)` and `(R)` are correct, but (R) is not the correct explanation of `(A)`

C

If `(A)` is correct, but `(R)` is incorrect.

D

If `(A)` is incorrect, but `(R)` is correct.

Text Solution

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The correct Answer is:
A
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