Calculate the angular width of the central maximum if and .

PHYSICS · Single correct · CBSE · Physics · Wave Optics · Wave Optics

Problem

Calculate the angular width of the central maximum if

\lambda=6000\,\text{\AA}

and

a=18\times10^{-5}\,\text{cm}

. (a)

20^\circ

(b)

40^\circ

(c)

30^\circ

(d)

260^\circ