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Sahay Sir > Question Answers > NCERT Exemplar Class 12 > Physics > Chapter 10 - Wave Optics > In a double slit experiment the angular width of a fringe is found to be 0.2^∘ on a screen placed I m away. The wavelength of light used in 600 nm. What will be the angular width of the fringe if the entire experimental apparatus is immersed in water ? Take refractive index of water to be 4/3.

In a double slit experiment the angular width of a fringe is found to be 0.2^∘ on a screen placed I m away. The wavelength of light used in 600 nm. What will be the angular width of the fringe if the entire experimental apparatus is immersed in water ? Take refractive index of water to be 4/3.

and (b) Refracted light? Refractive index of water is 1.33. frequency and speed of (a) Reflected Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength