Light of wavelength passes through a single slit and forms a diffraction pattern on a…

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

Problem

Light of wavelength

640\,\text{nm}

passes through a single slit and forms a diffraction pattern on a screen

2.0\,\text{m}

away. The distance between the first minima on opposite sides of the central maximum is measured to be

8.0\,\text{mm}

. What is the slit width? (a)

0.64\,\text{mm}

(b)

0.16\,\text{mm}

(c)

0.32\,\text{mm}

(d)

1.3\,\text{mm}