Assertion :The density of nucleus is about $2.3 \times 10^{17} k g m^{- 3}$ and all nucleus have approximately same density. Reason: The density of nucleus is independent of mass present in it.

Assertion is correct but Reason is wrong

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Assertion is wrong but Reason is correct

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Both Assertion and Reason are correct and Reason is the correct explanation of Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion

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Solution

The correct option is D Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion
The density of nucleus is about $2.3 \times 10^{17} k g m^{3}$ .
All nucleus have approximately same density.
This is because the density of the nucleus is independent of the number of nucleons present in it.
Also, the density of the nucleus is independent of the mass present in it.
Thus, Both A and R are correct but R is not correct explanation of A

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Assertion :The density of nucleus is about 2.3×1017kgm−3 and all nucleus have approximately same density. Reason: The density of nucleus is independent of mass present in it.

Assertion :The density of nucleus is about $2.3 \times 10^{17} k g m^{- 3}$ and all nucleus have approximately same density. Reason: The density of nucleus is independent of mass present in it.