Two cylinders A and B of the same materials have same length. Their radii being in the ratio of 1: 2 respectively. The two are joined end to end as shown in the figure. The upper end of A is rigidly fixed. The lower end of B is twisted through an angle theta, the angle of twist of the cylinder A is :

Two cylinders A and B of the same materials have same length. Their ra

1.	Two cylinders A and B of the same materials have same length. Their radii being in the ratio of 1: 2 respectively. The two are joined end to end as shown in the figure. The upper end of A is rigidly fixed. The lower end of B is twisted through an angle theta, the angle of twist of the cylinder A is :
Answer» `15/16 THETA ` `16/15 theta` `16/17 theta ` `17/16 theta ` ANSWER :C