The spacing of ruled lines on a diffraction grating is 1830 nm. The grating is illuminated at normal incidence with a parallel beam of white light in the 400 nm to 700 nm wavelength band. The second order spectrum and the third order spectrum overlap. The angular width of the overlap is closest to: A) 6.9⁰° B) 8.9° C) 4.9° D) 5.9° 4 E) 7.9°
The spacing of ruled lines on a diffraction grating is 1830 nm. The grating is illuminated at normal incidence with a parallel beam of white light in the 400 nm to 700 nm wavelength band. The second order spectrum and the third order spectrum overlap. The angular width of the overlap is closest to: A) 6.9⁰° B) 8.9° C) 4.9° D) 5.9° 4 E) 7.9°
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
The spacing of ruled lines on a diffraction grating is 1830 mm. The grating is illuminated at normal incidence
with a parallel beam of white light in the 400 nm to 700 mm wavelength band. The second order spectrum and
the third order spectrum overlap. The angular width of the overlap is closest to:
A) 6.9°
B) 8.9°
C) 4.9°
D) 5.9°
7
E) 7.9°
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