MHT CET Physics question
In Young's double slit experiment with monochromatic light, fringes are obtained on a screen placed at some distance from the slits. If the screen is moved by m towards the slits, the change in fringe width is m. If the separation between the slits is m, the wavelength of light used is [MHT-CET 2020]
Answer: (C)
Solution
, so
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