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Moment Of Inertia Questions

Practice 16 Moment Of Inertia questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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16
Total Questions
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2
Easy
๐ŸŸก
13
Medium
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1
Hard
Practice by Exam:Physics(16)

About Moment of Inertia โ€” practice questions, PYQs & concepts

Moment of Inertia is a frequently-tested topic on Physics. ExamTest.live currently lists 16 Moment of Inertia questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year โ€” every answer key is free, no sign-up required.

Moment of Inertia weight in competitive exams

Across our Moment of Inertia question bank, the largest sources are Physics (16). Click any exam chip above to drill down to that exam-specific question set.

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All Moment Of Inertia Questions(1โ€“16 of 16)

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Q1easymcqPhysicsAIEEE 20042026
50% accuracy
One solid sphere and another hollow sphere are of same mass and same outer radii. Their moment of inertia about their diameters are respectively and such that:
Q2mediummcqPhysicsAIEEE 20062026
0% accuracy
Four point masses, each of value , are placed at the corners of a square of side . The moment of inertia through and parallel to is:
Q3mediummcqPhysicsAIEEE 20072026
0% accuracy
For a given uniform square lamina with centre , let and be the moments of inertia about the diagonal and the line passing through and parallel to side respectively. Then:
image
Q4mediummcqPhysicsNEET (UG) 20182026
Three objects, A : (a solid sphere), B : (a thin circular disk) and C : (a circular ring), each have the same mass and radius . They all spin with the same angular speed about their own symmetry axes. The amounts of work () required to bring them to rest, would satisfy the relation:
Q5mediummcqPhysicsNEET 20212026
From a circular ring of mass and radius an arc corresponding to a sector is removed. The moment of inertia of the remaining part of the ring about an axis passing through the centre of the ring and perpendicular to the plane of the ring is times . Then the value of is:
Q6mediummcqPhysicsAIEEE2026
The moment of inertia of a uniform semicircular disc of mass and radius about a line perpendicular to the plane of the disc through the centre is:
Q7mediummcqPhysicsAIEEE 20032026
A circular disc of radius is made from an iron plate of thickness , and another disc of radius is made from an iron plate of thickness . The relation between the moment of inertia and is:
Q8mediummcqPhysicsAIEEE2026
Consider a uniform square plate of side โ€˜ โ€™ and mass โ€˜ โ€™. The moment of inertia of this plate about an axis perpendicular to its plane and passing through one of its corners is:
Q9mediummcqPhysicsPhysics
0% accuracy
The Sun rotates around its centre once in days. What will be the period of revolution if the Sun were to expand to twice its present radius without any external influence? Assume the Sun to be a sphere of uniform density.
Q10hardmcqPhysicsPhysics
3% accuracy
A sphere of radius is cut from a larger solid sphere of radius as shown in the figure. The ratio of the moment of inertia of the smaller sphere to that of the rest part of the sphere about the Y-axis is:

image
Q11mediummcqPhysicsPhysics
0% accuracy
The moment of inertia of a thin uniform rod of mass and length about an axis passing through its midpoint and perpendicular to its length is . Its moment of inertia about an axis passing through one of its ends and perpendicular to its length is:
Q12mediummcqPhysicsPhysics
A thin rod of length and mass is bent at its midpoint into two halves so that the angle between them is . The moment of inertia of the bent rod about an axis passing through the bending point and perpendicular to the plane defined by the two halves of the rod is:
Q13mediummcqPhysicsPhysics
A thin circular ring of mass and radius is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity . If two objects each of mass be attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity:
Q14mediummcqPhysicsPhysics
Four identical thin rods each of mass and length , form a square frame. Moment of inertia of this frame about an axis through the centre of the square and perpendicular to its plane is:
Q15mediummcqPhysicsPhysics
A circular disk of moment of inertia is rotating in a horizontal plane, about its symmetry axis, with a constant angular speed . Another disk of moment of inertia is dropped coaxially onto the rotating disk. Initially the second disk has zero angular speed. Eventually both the disks rotate with a constant angular speed . The energy lost by the initially rotating disc to friction is:
Q16easymcqPhysicsPhysics
The moment of inertia of a uniform circular disc is maximum about an axis perpendicular to the disc and passing through:
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