Atoms and Nuclei — JEE Main 2025 · 7 Apr, Evening shift · Q35

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 (⁶⁴₂₉Cu) nucleus is greater than that of the carbon (¹²₆C) 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:

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Atoms and Nuclei: JEE Main 2025 Physics question

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Atoms and Nuclei: JEE Main 2025 Physics question

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