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 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 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 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)

A soap flm of refractinve index 4//3 is illuminated by white light incident at an angle 45^@ .The transmitted length is examined in a spectroscope and a brigth band is found to be at 6,000 overset @A .Find the minimum thickness of the film.

The minimum thickness of air film which appears dark under green light of wavelength 500 nm is: