In an interference experiment

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

Problem

In an interference experiment, the ratio of amplitudes of coherent waves is

\frac{a_1}{a_2}=\frac{1}{3}

. What is the ratio of maximum to minimum fringe intensities? (1)

2

(2)

18

(3)

4

(4)

9