In Young's double slit experiment, the fringe width is ` 1 xx 10^(-4) m`  if the distance between
Channel: Doubtnut
Date: 2020-08-30

In Young's double slit experiment, the fringe width is ` 1 xx 10^(-4) m`  if the distance between the slit and screen is doubled and the distance between the two slit is reduced to half and wavelength is changed from `6.4 xx 10^(7) m` to `4.0 xx 10^(-7)m` , the value of new fringe width will be