Q9 of 64 Page 11

If the temperature of a uniform rod is slightly increased by Δt, its moment of inertia I about a line parallel to itself will increase by

The moment of inertia of uniform rod is


Where,


I is the moment of inertia


M is the mass of the rod,


L is the length of the rod,



Where,


L’ is the new length of the rod after thermal expansion.


Putting it in the above relation, we get






Hence, option C is the correct option

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