Given below are two statements.... | JEE Main 2023

JEE MAIN 2025

07-04-2025 S2

Question

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : The density of the copper $\left({ }_{29}^{64} \mathrm{Cu}\right)$ nucleus is greater than that of the carbon $\left({ }_6^{12} \mathrm{C}\right)$ nucleus.
Reason $(R)$ : The nucleus of mass number $A$ has a radius proportional to $A^{1 / 3}$.
In the light of the above statements, choose the most appropriate answer from the options given below :

Select the correct option:

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

Both (A) and (R) are correct and (R) is the correct explanation of (A)

(A) is correct but (R) is not correct

(A) is not correct but (R) is correct

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution