Please Answer These Two Questions Thank You 1 (1.62 MiB) Viewed 40 times
QUESTION 15 Diffraction of 730 nm light through a single slit of width 8.0 x 10-5 m produces a first order minimum 2.5 cm from the central maximum. How far away is the projection screen? OA. 2.7 m OB. 4.1 m OC.6.2 m OD.5,4 m O E. 9.3 m
QUESTION 16 Monochromatic light with a wavelength of 590 nm passes through a diffraction grating. The second order maximum is seen 4.0 cm away from the central maximum on a screen 5.0 m away. Approximately how many lines per cm are on the diffraction grating? O A. 21,000 lines/cm B. 5,100 lines/cm O C. 42,000 lines/cm O D.56,000 lines/cm OE. 1,100 lines/cm
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