A grating with 8000 gratings in the length of 2 cm is vertically illuminated by a light with a wavelength of 589.3 nm. (1) what is the grating constant of the grating?(2) If (a + b) = 2a, what are the visible fringe orders and the diffraction angle %3D corresponding to the highest fringe?
A grating with 8000 gratings in the length of 2 cm is vertically illuminated by a light with a wavelength of 589.3 nm. (1) what is the grating constant of the grating?(2) If (a + b) = 2a, what are the visible fringe orders and the diffraction angle %3D corresponding to the highest fringe?
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Transcribed Image Text:A grating with 8000 gratings in the length
of 2 cm is vertically illuminated by a light
with a wavelength of 589.3 nm. (1) what is
the grating constant of the grating?(2) If (a
+ b) = 2a, what are the visible fringe
orders and the diffraction angle
%3D
corresponding to the highest fringe?
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