JEE PHYSICS MCQ: NUCLEI

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{r_1}\,\,\,{\text{and}}\,\,\,{r_2}

are the radii of atomic nuclei of mass number 125 and 216 respectively. The ratio of

\frac{{{r_1}}}{{{r_2}}}

View answer and explanation

Correct option: B

\frac{5}{6}

The correct answer is B (

\frac{5}{6}

) because the radius of a nucleus is proportional to the cube root of its mass number, and the ratio of the radii is the cube root of the ratio of the mass numbers.

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