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A magnet of moment M is lying in a magne...

A magnet of moment M is lying in a magnetic field of induction B. W1 is the work done in turning it from `0^(@)` to `60^(@)` and `W_(2)` is the work done in turning it from `30^(@)` to `90^(@)`. Then

A

`W_(2)=W_(1)`

B

`W_(2)=(W_(1))/(2)`

C

`W_(2)=2W_(1)`

D

`W_(1) = sqrt(3) W_(1)`

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