MHT CET 2025 Physics question
A single slit diffraction pattern is formed with white light. For what wavelength of light the secondary maximum in diffraction pattern coincides with the secondary maximum in the pattern of light of wavelength ''?
Answer: (B)
Solution
In single-slit diffraction the th secondary maximum occurs at . For the unknown wavelength the 4th secondary maximum is at ; for wavelength the 3rd secondary maximum is at
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