Light of wavelength 615 nm falls on a double slit, and the first bright fringe of...

Question

Question

Light of wavelength 615 nm falls on a double slit, and the first bright fringe of the interference pattern is seen at an angle of 15.2

science physics

Answer 1

Answer #1

d sinθ = mλ

d = 1*615*10^-9/Sin 15.2

= 615*10^-9/0.26218917

= 2.345 μm

Answer 2

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