A soap film of `mu=(4)/(3)` is illuminated by white light incident at an angle of `45^(@)`. The transmitted light is examined by spectrospe and bright fringe is found to be for wavelength of 6000Å. Find the minimum thickness of the film.

A soap film is illuminated by while light incient at an angle of 30^(@) . The reflected light is examined by a spectroscope in which a dark band corresponding to wavelength 6000Å is found . Calculate the minimum thickness of the film. Given refractive index of film =(4)/(3)

White light is incident on a soap film of mu = 4//3 at an angle of 45^@ . On examining the transmitted light with a spectrometer, a bright band of wavelength 5400 Å is found. What will be the minimum thickness of the soap film?

White light is incident on a soap film of mu=4//3 at an angle of 30^(@) . On examining the transmitted light with a spectrometer a dark band of wavelength 5.5xx10^(-7) m is found. Find the minimum thickness of the film.

White light is incident on a soap film at an angle of 60^@ . On examining the reflecting light by a spectroscope, a dark band corresponding to wavelength 6200Å is found. Find the minimum thickness of the film. Take refractive index of film = 1.33.

A thin film of soap solution (mu_(s)=1.4) lies on the top of a glass plate (mu_(g)=1.5) . When visible light is incident almost normal to the plate, two adjacent reflection maxima are observed at two wavelengths 420 and 630 nm. The minimum thickness of the soap solution is