Light of wavelength 627 nm is incident normally on a diffraction grating. Two adjacent maxima occur at angles given by sin 0 = 0.25 and sin = 0.31. The fourth-order maxima are missing. (a) What is the separation between adjacent slits? (b) What is the smallest slit width this grating can have? For that slit width, what are the (c) largest, (d) second largest, and (e) third largest values of the order number m of the maxima produced by the grating? (a) Number Units (b) Number i Units (c) Number (d) Number Units Units (e) Number i Units > > Visible light is incident perpendicularly on a diffraction grating of 209 rulings/mm. What are the (a) longest, (b) second longest, and (c) third longest wavelengths that can be associated with an intensity maximum at 0 = 32.9? (Show-1, if wavelengths are out of visible range.) (a) Number i Units (b) Number Units (c) Number i Units A source containing a mixture of hydrogen and deuterium atoms emits light at two wavelengths whose mean is 500 nm and whose separation is 0.215 nm. Find the minimum number of lines needed in a diffraction grating that can resolve these lines in the first order. Number i Units A grating has 400 lines/mm. How many orders of the visible wavelength 623 nm can it produce in addition to the m = O order? Number Units