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- Question 1 of 10
1. Question
Moment of inertia of a disc about an axis which is tangent and parallel to its plane is I. then the moment of inertia of disc about a tangent, but perpendicular to its plane will be
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2. Question
Calculate the M.I. of a thin uniform ring about an axis tangent to the ring and in a plane of the ring, if its M.I. about an axis passing through the centre and perpendicular to plane is 4 kg m2
CorrectIncorrect - Question 3 of 10
3. Question
By keeping moment of inertia of a body constant, if we double the time period, then angular momentum of body
CorrectIncorrect - Question 4 of 10
4. Question
The M.I. of a disc about an axis passing through its centre and perpendicular to plane is MR^2/2, then its M.I. about a tangent parallel to its diameter is
CorrectIncorrect - Question 5 of 10
5. Question
Four solid spheres each of mass M and diameter 2r, are placed with their centers on the four corners of a square of side a (> 2r). the moment of inertia of the system about one side of square is
CorrectIncorrect - Question 6 of 10
6. Question
For increasing the angular velocity of a object by 10%, the kinetic energy has to be increased by
CorrectIncorrect - Question 7 of 10
7. Question
Ratio of rotational K.E. to rolling K.E. of a solid sphere is
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8. Question
A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to the plane with angular velocity ω. Another disc of same mass but half the radius is gently placed over it coaxially. The angular speed of the composite disc will be
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9. Question
Which is the wrong relation from the following?
CorrectIncorrect - Question 10 of 10
10. Question
Two circular discs A and B have equal masses and uniform thickness but have densities ρ1 and ρ2 such that ρ1 >ρ2. their moment of inertia is
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