Question

Select One Correct Option from the following: A solid sphere of radius R has moment of inertia I about its geometrical axis. It is into a disc of radius r and thickness t. If its ment of inertia about the tangential axis (is perpendicular to plane of the disc), is also equal to I, then the value of r is equal to
(A)$\frac{2}{\sqrt{15} } R$
(B)$\frac{2}{\sqrt{5} } R$
(C)$\frac{3}{\sqrt{15}} R$
(D)$\frac{\sqrt{2} }{\sqrt{15}} R$

Answer 1

Answer:c

Explanation:c is the correct answer

Answer 2

Answer :-

Option " c " is correct answer...........✔✔

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