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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 beCorrectIncorrect
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 m2CorrectIncorrect
By keeping moment of inertia of a body constant, if we double the time period, then angular momentum of bodyCorrectIncorrect
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 isCorrectIncorrect
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 isCorrectIncorrect
For increasing the angular velocity of a object by 10%, the kinetic energy has to be increased byCorrectIncorrect
Ratio of rotational K.E. to rolling K.E. of a solid sphere isCorrectIncorrect
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 beCorrectIncorrect
Which is the wrong relation from the following?CorrectIncorrect
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 isCorrectIncorrect