White light may be considered to be mixture of wave with λ. ranging between 3900 A˚ and 7800 A˚. An oil film of thickness 10
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White light may be considered to be mixture of wave with λ. ranging between 3900 A˚ and 7800 A˚. An oil film of thickness 10,000 A˚ is examined normally by the reflected light. If examined normally by the reflected light. If μ = 1.4, then the film appears bright for 000 A˚ is examined normally [...]