A circular disc of radius `0.2 m` is placed in a uniform magnetic field of induction `(1'/'pi) Wbm^(-2)` in such a way that its axis makes an angle of 60° with B. The magnetic flux linked with the disc is
Options:
(a) `0.02 Wb`
(b) `0.06 Wb`
(c) `0.08 Wb`
(d) `0.01 Wb`