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WBJEE 2020 Physics Solved Paper

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Question : 2

Total: 40

In a Frounhofer diffraction experiment, a single slit of width 0.5 mm is illuminated by a monochromatic light of wavelength 600 nm. The diffraction pattern is observed on a screen at a distance of 50 cm from the slit. What will be the linear separation of the first order minima ?

1.0 nm
1.1 nm
0.6 mm
1.2 nm

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