Two diffraction gratings are stuck together, both with vertically aligned slits. Grating A has S1 slits and B has S2 slits.
What is the new equivalent grating that is the product of two of the diffraction gratings above?
a. N* = 1/d
The Attempt at a Solution
Assuming that there are ajacent slits in both - I tried to think of a way that it will make sense.
If s1>s2 , s1 should be a multiple of s2, but I couldn't figure out a way to come to the new grating equivalent.