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MHT CET 2026 (17 Apr, Shift 1) · Rotational Kinetic Energy, Work & Power

Rotational Kinetic Energy, Work & Power question from MHT CET 2026 (17 Apr, Shift 1)

Q7MHT CET 2026 · 17 APR · SHIFT 1Medium

Rotational Kinetic Energy, Work & Power

Two bodies A and B have moment of inertia $I_A$ and $I_B$ , and angular momenta $L_A$ and $L_B$ respectively. Both of them have same kinetic energy of rotation. So the ratio $L_A$ to $L_B$ is

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Answer: (c)

$L = \sqrt{2IK}$ ; same $K$ gives $L \propto \sqrt{I}$
$\frac{L_A}{L_B} = \sqrt{\frac{I_A}{I_B}}$
So the answer is (c) $\sqrt{\frac{I_A}{I_B}}$ .

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