A hollow cylinder of mass M and radius R is rotating about its axis of symmetry and a solid sphere of same mass and radius is rotating about an axis passing through its centre. If torques of equal magnitude are applied to them, then the ratio of angular accelerations produced is
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: Moment of inertia of hollow cylinder about its axis of symmetry, 
Moment of inertia of solid sphere about an axis passing its centre, 
Let 
and 
beangular accelerations produced in the cylinder and the sphere repectively on applying same torque 
in each case. Then
(As) 
) and 
Their corresponding ration is
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