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When laser light of wavelength 633.4nm passes through a diffraction grating, the first bright spots occur at 17.8 degrees from the central maximum.

Part A What is the line density (in ) of this grating?

Part B How many additional pares of bright spots are there beyond the first bright spots?

Part C At what angles do the second bright spots occur?

Part D At what angles do the third bright spots occur?

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Reference No.:- M91056800

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