Question

In a Young’s double slit experiment the intensity at a point where the path difference is λ/6 (λ being the wavelength of light used) is I. If I₀ denotes the maximum intensity I/I₀ is equal to

(a) 3/4

(b) 1/√2

(c) √3/2

(d) 1/2.

Answer 1

(a) : In Young’s double slit experiment intensity at a point is given by