A certain heliumneon laser emits red light in a narrow band of wavelengths centered at
Chapter 33, Problem 1(choose chapter or problem)
A certain heliumneon laser emits red light in a narrow band of wavelengths centered at 632.8 nm and with a wavelength width (such as on the scale of Fig. 33-1) of 0.0100 nm. What is the corresponding frequency width for the emission?
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