Assertion: The positively changed nucleu...

Assertion: The positively changed nucleus of an atom has a radius of almost `10^(-15)m`.
Reason: In `alpha`-particle scattering experiment the distance of closest apporach for `alpha`-particles is `~~10^(-15)m`.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false

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The correct Answer is:

A

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