JEE Main - Previous Year Papers JEE MAIN 2026 JEE Mains 4 April 2026 Paper Shift -1 Single Correct MCQ
Published on: August 13, 2026

A solid sphere of mas M and radius R is divided into two unequal parts. The smaller part having mass M/8 is converted into a sphere of radius r and the larger part is converted into a circular disc of thickness and radius . If is moment of inertia of a sphere having radius r about an axis through its centre and is the moment of inertia of a disc about its diameter, the ratio of their moment of inertia .

A
35
B
70
C
140
D
210

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The correct answer is:
A



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