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When laser light of wavelength 633.3nm passes through a diffraction grating. thef irst bright spots occur at +- 18.4 degree from the central maximum

Part A What is the line denisty in (lines/cm) of this grating

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

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

Part D At what angels do the third bright spot occur?

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Category:- Physics
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