Physics

Physics · optics

Problem

Example 10: White light falls normally on a film of a soapy water whose thickness is

1.5 \times 10^{-5} \mathrm{~cm}

and refractive index 1.33. Which wavelength in the visible region will be reflected strongly? [GBTU, B.Tech I Sem 2012, I Sem (C.O.) 2012]