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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A soap film of thickness 0.0011 mm appears dark when seen by reflected light of wavelength 5800 A. What is the refractive index of soap solution if it is between 1.2 and 1.5

A soap film of thickness 0.0011 mm appears dark when seen by reflected light of wavelength 5800 A. What is the refractive index of soap solution if it is between 1.2 and 1.5

A soap film of thickness 0.0011 mm appears dark when seen by reflected light of wavelength 5800 A. What is the refractive index of soap solution if it is between 1.2 and 1.5