Monochromatic light of wavelength passes through a slit of width

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

Problem

Monochromatic light of wavelength

600\,\text{nm}

passes through a slit of width

0.20\,\text{mm}

. How far from the central maximum will the second diffraction minimum appear on a screen

1.5\,\text{m}

away? (a)

11\,\text{mm}

(b)

0.90\,\text{mm}

(c)

9.0\,\text{mm}

(d)

4.5\,\text{mm}