The second order Bragg diffraction of X-rays with $\lambda$ = 1.00 Å from a set of parallel planes in a metal occurs at an angle 60º. The distance between the scattering planes in the crystal is :

Question

( A ) 1.15 Å
( B ) 1.00 Å
( C ) 2.00 Å
( D ) 0.575 Å