A slit of width d is placed in front of a l ens of focal length 0.5m and is illuminated normally with light of wavelength `5.89xx10^(-7)m`. The first diffraction minima on either side of the central diffraction maximum are separated by `2xx10^(-3)m` . The width d of the slit is `"_________"`m.

Options

A. `2.945xx10^(-4)m`
B. `2.945xx10^(-3)m`
C. `2.945xx10^(-2)m`
D. `2.945xx10^(-1)m`

Answer

A