Physics-
General
Easy
Question
Two cylinders of same material and of same length are joined to end as shown in figure. The upper end of A is rigidly fixed. Their radii are in ratio of 1 : 2, If the lower end of B is twisted by an angle 
the angle of twist of cylinder A is
The correct answer is:
For cylinder A,
For cylinder 
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Which is not correctly matched :
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