In a Young’s experiment

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

Problem

In a Young’s experiment, the fifth bright fringe and the fifteenth bright fringe are found to be

2.0\,\text{cm}

apart on a screen

1.0\,\text{m}

from the double slits. If the slit separation is

0.25\,\text{mm}

, determine the wavelength of the light used. (a)

560\,\text{nm}

(b)

350\,\text{nm}

(c)

500\,\text{nm}

(d)

625\,\text{nm}