At what angle would the first order diffraction appear

Reference no: EM13263431

Suppose a monochromic light strikes a grating at normal incidence. The first order diffractions lines appear at the angle 25° with respect to the normal. If the grating has 6200 lines per centimeter, what is the frequency of the light that passes through?
441 THz

If this same monchromatic light where to strike the grating when it is immersed in carbon disulfide with a refractive index of 1.63, at what angle would the first order diffraction appear?

Reference no: EM13263431

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