The upper end of a wire of radius 4mm and length 100cm is clamped and its other end is twisted through an angle of 30° then the angle of shear is

The upper end of a wire of radius 4mm and length 100cm is clamped and

1.	The upper end of a wire of radius 4mm and length 100cm is clamped and its other end is twisted through an angle of 30° then the angle of shear is
Answer» `0.012^(@)` `0.12^(@)` `1.2^(@)` `12^(@)` ANSWER :B