In Young's double slit experiment , light waves of `lambda = 5.4 xx 10^(2)` nm and `lambda =
Channel: Doubtnut
Date: 02/11/2021

In Young's double slit experiment , light waves of `lambda = 5.4 xx 10^(2)` nm and `lambda = 6.85 xx 10^(1)` nm are used in turn , keeping the same geometry of the set up . Calculate the ratio of the fringe widths in the two cases .