WBJEE 2020 Physics Solved Paper

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Question : 37 of 40

Marks: +1, -0

Two metallic spheres of equal outer radii are found to have same moment of inertia about their respective diameters. Then which of the following statement(s) is/are true ?

The two spheres have equal masses
The ratio of their masses is nearly 1.67 : 1
The spheres are made of different materials
Their rotational kinetic energies will be equal when rotated with equal uniform angular speed about their respective diameters

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