Physics Question:A diffraction grating has 750 rulings
Physics Question:A diffraction grating has 750 rulings
Subject: Physics /Question
A diffraction grating has 750 rulings / mm, and is used to measurea laser wavelength. The first-order diffraction spots (maxima)occur at plus-minus 52.8 degrees.
A) What is the laser wavelength (in nm)?
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B) Can we see this light with our eyes?
C) At this wavelength, how many orders will the grating produce?
