Assertion :- The radius of the nucleus is smaller than the radius of an atom by a factor of \( 1...

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Assertion :- The radius of the nucleus is smaller than the radius of an atom by a factor of \( 10^{5} \).
\( P \)
According to \( \alpha \) scattering experiment.
W.
Reason :- More than \( 99.9 \% \) mass of the atom is
- concentrated in the nucleus.
- (1) A
(2) B
(3) \( \mathrm{C} \)
(4) D
- (A) Both assertion and reason are correct statements, and reason is the correct explanation of the assertion.
(B) Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion.
(C) Assertion is correct, but reason is wrong statement.
(D) Assertion is wrong, but reason is correct statement.
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