Question: In an interference experiment, red light (600 nm) passes through a double slit. On a screen 1.5 m away, the distance between the 1st and

In an interference experiment, red light (600 nm) passes through a double slit. On a screen 1.5 m away, the distance between the 1st and 11th dark bands is 13.2 cm. a. What is the separation of the slits? [2 marks] b. What would the spacing be, between the adjacent nodal lines, if blue light (wavelength 450 nm) were used instead? [3 marks]

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