A diffraction grating produces a second order maximum for red light 650 nm at an angle of 37 5 How many lines per cm does the

Question

A diffraction grating produces a second order maximum for red light 650 nm at an angle of 37 5 How many lines per cm does the grating have Select one O a 9 366 lines cm 2 340 lines cm O C 468 300 lines cm O b

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