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 assertionB. If both assertion and reason are true but reason is not the correct explanation of the assertionC. If assertion is true but reason is false.D. If the assertion and reason both are false.

Assertion: The positively changed nucleus of an atom has a radius of a

1.	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 assertionB. If both assertion and reason are true but reason is not the correct explanation of the assertionC. If assertion is true but reason is false.D. If the assertion and reason both are false.
Answer» Correct Answer - A

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