MHT CET 2026 Physics question
In a certain region of the screen, number of fringes formed is observed to be 8 in Young's double slit experiment when light of wavelength is used. If the light of wavelength is used, the number of fringes observed in the same region of the screen will be
Answer: (B)
Solution
Fringe width . The number of fringes in a fixed region of width is , so (all else unchanged). Therefore $ = = =
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