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(Solved): 10) A 520 nm green laser is used in a diffraction grating experiment. The distance between the lase ...
10) A 520 nm green laser is used in a diffraction grating experiment. The distance between the laser and the diffraction grating is 50 cm, the distance between the laser and the screen is 450 cm. Five dots appear on the screen as shown in the figure below. Determine a) the lines per mm of the diffraction grating, b) 8 in degrees, c) 4 in degrees, d) x in cm, e) the frequency of the light emitted by the laser. 0 85cm 4
Expert Answer
The distance of screen from the diffraction grating, D = 450 cm D = 450 cm = 450 / 100 m D = 4.50 m The distance of first maximum from the central maximum , y1 = m