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A single slit of width a is illuminated by a monochromatic light of wavelength 600 nm

Q. A single slit of width a is illuminated by a monochromatic light of wavelength 600 nm. The value of ‘a’ for which first minimum appears at θ = 30° on the screen will be (1) 0.6 μm

(2) 1.2 μm

(3) 1.8 μm

(4) 3 μm                                                                                                                       (JEE-2023)

Aditya Bhatt Answered question 28 January 2024
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