MHT CET 2023 Physics question
In a diffraction pattern due to single slit of width 'a', the first minimum is observed at an angle of when the light of wavelength 5400 is incident on the slit. The first secondary maximum is observed at an angle of
Answer: (A)
Solution
For the first minimum, , so . The first secondary maximum lies roughly midway between the first and second minima, at . Hence $θ =
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