(a)A diffraction grating used at normal incidence gives a yellow line (6000Ǻ) in a certain spectral
order superimposed on a blue line (4800Ǻ) of next higher order. If the angle of diffraction is sin-1
(4/3),
calculate the grating element
(a)A diffraction grating used at normal incidence gives a yellow line (6000Ǻ) in a certain spectral
order superimposed on a blue line (4800Ǻ) of next higher order. If the angle of diffraction is sin-1
(4/3),
calculate the grating element
order superimposed on a blue line (4800Ǻ) of next higher order. If the angle of diffraction is sin-1
(4/3),
calculate the grating element