In this question, a statement of assertion is followed by …

Physics System of Particles Rotational Motion Assertion & Reason MCQ (Single Correct)

In this question, a statement of assertion is followed by a statement of reason . Mark the correct choice as:

Assertion: Moment of inertia of circular ring about a given axis is more than moment of inertia of the circular disc of same mass and same size, about the same axis.
Reason: The circular ring is hollow so its moment of inertia is more than circular disc which is solid.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct answer is:

: In the case of circular ring, the mass is concentrated on the rim, at maximum distance from

the axis, therefore, moment of inertia increases, as compared to that in circular disc.

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