Under which condition on the ratio of the slit width to the wavelength is diffraction…

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

Problem

Under which condition on the ratio of the slit width

a

to the wavelength

\lambda

is diffraction from a single slit most pronounced? (a)

a \ll \lambda

(b)

a \gg \lambda

(c)

a \approx \lambda

(d)

a = 10\,\lambda