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Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 32 - Ray Optics > In a double slit experiment, when light of wavelength 400 nm was used, the angular width of the first minima formed on a screen placed 1m away, was found to be 0.2 degree. What will be the angular width of the first minima, if the entire experimental apparatus is immersed in water ? (μwater​=4/3)

In a double slit experiment, when light of wavelength 400 nm was used, the angular width of the first minima formed on a screen placed 1m away, was found to be 0.2 degree. What will be the angular width of the first minima, if the entire experimental apparatus is immersed in water ? (μwater​=4/3)

if the entire experimental apparatus is immersed in water ? (μwater​=4/3) In a double slit experiment the angular width of the first minima formed on a screen placed 1m away was found to be 0.2 degree. What will be the angular width of the first minima when light of wavelength 400 nm was used