In YDSE performed with wavelength `lambda = 5890 Å` the angular fringe width is `0.40^(@)`
Channel: Doubtnut
Date: 2020-07-26

In YDSE performed with wavelength `lambda = 5890 Å` the angular fringe width is `0.40^(@)`. What is the angular fringe width if the entire set-up is immersed in water?