When monochromatic light shines perpendicularly on a soap


When monochromatic light shines perpendicularly on a soap film(n = 1.33) with air on each side, the second smallest nonzero film thickness for which destructive interference of reflected light is observed is 489 nanometer. Determine the vacuum wavelength of the light?

in nm

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Physics: When monochromatic light shines perpendicularly on a soap
Reference No:- TGS0913175

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