Grating calculations: For a red wavelength of 650 nm and a grating with 500 lines/mm, calculate all possible diffraction angles, θ1 , θ2, θ3, θ4,... If R0.500 m tell the positions y1 Y2. Y3 y4 .... of the spots respect the central (m0) spot.
How many pair of spots you get?
How many spots?