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JEE PHYSICS MCQ: SYSTEM OF PARTICLES

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Understanding +4 | -1

Assertion (A) :

I_{\mathrm{s}}

and

I_{\mathrm{H}}

are the moments of inertia about the diameters of a solid and thin walled hollow sphere respectively. If the radii and the masses of the above spheres are equal,

l_{\mathrm{H}} > l_{\mathrm{s}}

.

Reason (R) : In solid sphere, the mass is continuously and regularly distributed about the centre whereas the mass, surface of hollow sphere.

View answer and explanation

Correct option: A

both

A

and

R

and true and

R

is the correct explanation of

A

Option A is correct because both the assertion and the reason are true, and the reason correctly explains why the moment of inertia of a hollow sphere is greater than that of a solid sphere of the same mass and radius.

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t = 1\,sec

\left( {rad\,{s^{ - 2}}} \right)