Asked by Alexander
A 1.0cm wide diffraction grating has 1000slits. It is illuminated by light of wavelength 550nm. What are the angles of the first two diffraction orders?
Answers
Answered by
drwls
What is the angle of incidence?
Whatever it is, use the diffraction equation with orders n=1 and n=2.
The width of the grating won't matter.
Whatever it is, use the diffraction equation with orders n=1 and n=2.
The width of the grating won't matter.
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