A youngs double slit experiment is conducted with slit seperation 10mm, where the screen is 2m away from the slits,if wavelength of light is used 6000A^0 if the wavelength is increased by1000A^0, and placed the whole apparatus in water of refractive index 4/3,the new fringe width in mm is
A youngs double slit experiment is conducted with slit seperation 10mm, where the screen is 2m away from the slits,if wavelength of light is used 6000A^0 if the wavelength is increased by1000A^0, and placed the whole apparatus in water of refractive index 4/3,the new fringe width in mm is










