A parallel beam of light of wavelenght `560 nm` falls on a film of oil (refractive index `=1.4`). What should be the minimum thickness of the film so that it weakly transmits the light ?

A parallel beam of light of wavelength 560 nm falls on a thin film of oil (refractive index = 1.4). What should be the minimum thickness of the film so that it strongly transmit the light ?

A parallel beam of light of wavelength 560 nm falls on a thin film of oil (refractive index = 1.4). What should be the minimum thickness of the film so that it strongly transmit the light ?

A parallel beam of light of wavelength 560 nm falls on a thin film of oil (refractive index = 1.4). What should be the minimum thickness of the film so that it strongly S4 T z reflects the light ?

A parallel beam of white of white light falls on a thin film whose refractive index is 1.33. If angle of incidence is 52^(@) then thickness of the film for the reflected light to be coloured yellow (lambda=6000Å) most intensively must be :

A light of wavelength 5890Å falls normally on a thin air film. The minimum thickness of the film such that the film appears dark in reflected light is

A light of wavelength 5890Å falls normally on a thin air film. The minimum thickness of the film such that the film appears dark in reflected light is

A parallel beam of white light falls on a thin film whose refractive index is equal to 4//3 . The angle of incidence i=53^(@) What must be the minimum film thickness, if the reflected light is to be coloured yellow (lambda "of yellow" =0.6mum) most intensity ? (tan 53^(@)=4//3)