A solid sphere of mass M and radius R is divided into two unequal parts . The first part has a mass of 7M/8 and is converted into a uniform disc of radius 2 R . The second part is converted into a uniform disc of radius 2R . The second part is converted into a uniform solid sphere . let be the moment of inertia of the disc about its axis and
be the moment of inertia of the new sphere about its axis
The ratio is given by :
185
140
285
65
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Option 1)
185
Option 2)140
Option 3)285
Option 4)65