(a)Two narrow slits, s1 and s2 separated by 0.1 mm is illuminated by light of wavelength 600 nm. Determine the path difference of light waves from s1 and s2 at 5th dark spot above central maximum.
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- a) What would be the angular position of the third dark fringe from the central maximum, if a 600nm light is incident on a double slit with a slit separation of 2µm? b) If the previous problems double slit also had a slit width of 0.5µm, would would the intensity fraction be at an angular position of 40 degrees?Find the distance in nm between two slits that produces the first minimum for 415-nm violet light at an angle of 17.5°.