White light is incident on a soap film at an angle of sin -1 and the reflected light on examination by the spectroscope shows dark bands. The consecutive dark bands corresponds to wavelength 6100 Å and 6000 Å. If the refractive index of the film is 4/3, calculate its thickness.
White light is incident on a soap film at an angle of sin -1 and the reflected light on examination by the spectroscope shows dark bands. The consecutive dark bands corresponds to wavelength 6100 Å and 6000 Å. If the refractive index of the film is 4/3, calculate its thickness.
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Transcribed Image Text:White light is incident on a soap film at an angle of
sin
5 and the reflected light on examination by the
spectroscope shows dark bands. The consecutive
dark bands corresponds to wavelength 6100 Å and
6000 Å. If the refractive index of the film is 4/3,
calculate its thickness.
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