Find the half-angular width of the central bright maximum in the Fraunhofer…

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

Problem

Find the half-angular width of the central bright maximum in the Fraunhofer diffraction pattern of a slit of width

12\times10^{-5}\,\text{cm}

when the slit is illuminated by monochromatic light of wavelength

6000\,\text{\AA}

. (a)

40^\circ

(b)

45^\circ

(c)

30^\circ

(d)

60^\circ