Physics, 14.11.2019 23:31 dondre54

Consider a horizontal plane of thin film with a thickness t. this film is located in between air and water (see sketch). light is directed from the air downward through the film and into the water, perpendicular to the surfaces. the index of refraction of the film n1 = 1.5. the index of refraction of water is n2 = 1.33. the wavelength of the incident wave in the air is ? , and its frequency in air is f = c ? .the wavelength ? water of the light in the water is
1. water = n1/ n2 ?
2. water = n2 ?
3. water = 1/ n2 ?
the frequency of the light in the water will a. stay the same b. increase c. decrease
the smallest non-zero thickness tmin leading to no reflection is?

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Consider a horizontal plane of thin film with a thickness t. this film is located in between air and...

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