In YDSE, bichromatic light of wavelengths and is used. The distance between the slits…

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

Problem

In YDSE, bichromatic light of wavelengths

400\text{ nm}

and

560\text{ nm}

is used. The distance between the slits is

0.1\text{ mm}

and the distance from the slit plane to the screen is

1\text{ m}

. Find the minimum distance between two successive regions of complete darkness. (1) 4 mm (2) 5.6 mm (3) 14 mm (4) 28 mm