The width of fringe is 2 ~mm on the screen in a double slits experiment for the light of wavelength of 400 ~nm. The width of the fringe for the light of wavelength 600 nm will be:

Optics: JEE Main 2023 Physics question

JEE Main 2023 · 8 Apr, Evening shift · Q8452

JEE Main 20238 Apr, Evening shiftPhysicsMediumOptics190× since 2002

The width of fringe is

2 \mathrm{~mm}

on the screen in a double slits experiment for the light of wavelength of

400 \mathrm{~nm}

. The width of the fringe for the light of wavelength 600

\mathrm{nm}

will be: