A parallel beam of sodium light of wavelength 589 nm is incident at an angle of 30- on the film of olive oil - - 1-6- on water- Calculate the smallest thickness of the film which will make it appear dark-

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Standard XII

Physics

Intensity Amplitude Relationship

A parallel be...

Question

A parallel beam of sodium light of wavelength 589 nm is incident at an angle of 30° on the film of olive oil ( μ= 1.6) on water. Calculate the smallest thickness of the film which will make it appear dark.

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