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A ring and a disc have same mass and same radius. Ratio of moments of inertia of the ring about a tangent in its plane to that of the disc about its diameter is,

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Important Questions on Rotational Motion

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Critical Thinking>Q 43
Two rings of same radius R and mass M are placed such that their centres are at a common point and their planes are perpendicular to each other. The moment of inertia of the system about an axis passing through the centre and perpendicular to plane of one of the ring is, 
 
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Critical Thinking>Q 44
If I1 is the moment of inertia of a thin rod about an axis perpendicular to its length and passing through its centre of mass and I2 is the moment of inertia of the ring formed by bending the rod about an axis perpendicular to plane, then
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MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Critical Thinking>Q 45
A thin circular ring and a circular disc have equal masses but different radii equal to R1 and R2. If their moments of inertia about their own diameters are equal, their radii will be in the ratio
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IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Critical Thinking>Q 46
Moment of inertia of a solid sphere of radius R and density ρ about its diameter is,
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MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Critical Thinking>Q 47
The moment of inertia of a sphere is 20 kg m2 about the diameter. The moment of inertia about any tangent is,
HARD
MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Critical Thinking>Q 48
The moment of inertia of a hollow cylinder of mass M, length 2R and radius R about an axis passing through the centre of mass and perpendicular to the axis of the cylinder is I1 and about an axis passing through one end of the cylinder and perpendicular to the axis of cylinder is I2. Then,
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Critical Thinking>Q 49
A swimmer while jumping into water from a height easily forms a loop in air, if
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 11 - Rotational Motion>Critical Thinking>Q 50
Kinetic energy of rotation E and angular momentum L are related as,