Fundamentholfundamenthol
JEE Main2019Physics
Q.

A solid sphere of mass M and radius R is divided into two unequal parts. The first part has a mass of and is converted into a uniform disc of radius 2R. The second part is converted into a uniform solid sphere. Let I1 be the moment of inertia of the disc about its axis and I2 be the moment of inertia of the new sphere about its axis. The ratio I1/I2 is given by : 

  1. A

    140

  2. B

    185

  3. C

    285

  4. D

    65

Solution

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