A single slit of width is illuminated by light of wavelength

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

A single slit of width

12\,\mu\text{m}

is illuminated by light of wavelength

450\,\text{nm}

. What is the largest order

m_{\text{max}}

of diffraction minimum that can appear on either side of the central maximum? (a) 27 (b) 24 (c) 26 (d) 13