UPSEE Solved Model Paper 1

The central fringe in a Young's double slit experiment with the wavelength 𝜆 = 500 nm has intensity Io. If one of the slits is covered by a 5 𝜇m thick film of glass (𝜇 = 1.5), the intensity at centre of the screen becomes l1 The ratio of

l1

l0

is