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A small solid sphere of radius r rolls down from the top of a large sphere of radius R without slipping. Find the angular velocity of the smaller sphere at the moment it loses contact with the surface of the larger sphere.

Chemistry

Fill in the Blank :
The light radiations with discrete quantities of energy are called .......... .

Mathematics

Multiple Choice Question
If A is an orthogonal matrix, then |A| is

(a)

(b)

-1

(c)

(d)

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