Q4: White light is incident on a soap film at -14 an angle sin : and the reflected light is observed with a spectroscope. It is found that two consecutive dark bands correspond to wavelengths 6.1 x 10m and 6 x 10m. If the refractive index of the film be 4/3, calculate its thickness

Q4: White light is incident on a soap film at -14 an angle sin : and the reflected light is observed with a spectroscope. It is found that two consecutive dark bands correspond to wavelengths 6.1 x 10m and 6 x 10m. If the refractive index of the film be 4/3, calculate its thickness

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter3: Transient Heat Conduction

Section: Chapter Questions

Problem 3.20P

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Q4: White light is incident on a soap film at
an angle sin
observed with a spectroscope. It is found that
two consecutive dark bands correspond to
wavelengths 6.1 x 10m and 6 x 10m.
If the refractive index of the film be 4/3,
and the reflected light is
5
calculate its thickness

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