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Question
Light of wavelength 550 nm is incident on a diffraction grating that is 1 cm wide and has 1000 slits. What is the dispersion of the m= 2 line?A) 2.0 x 105rad/m
B) 2.0 x 104rad/m
C) 2.0 x 103rad/m
D) 2.0 x 102rad/m
E) 2.0 x 101rad/m
Answer
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