Question: 8. Red light (600 nm) passes through a double slit and produces an interference pattern on a screen which is 1.5 metres away. a) If

8. Red light (600 nm) passes through a double slit and produces an interference pattern on a screen which is 1.5 metres away. a) If the distance between the lst and 11th dark bands is 13.2 cm, determine: a) the distance of slit separation. b) what the spacing would be, between adjacent nodal lines, if blue light (450 nml were used in place of the red
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