Questions
Interference was observed in interference chamber when air was present, now the chamber is evacuated and if the same light is used, a careful observer will see
detailed solution
Correct option is D
β=λDμdThe refractive index of air is slightly more than 1. When chamber is evacuated, refractive index decreases and hence the wavelength increases and fringe width also increases.Similar Questions
An oil flowing on water seems coloured due to interference. For observing this effect, the approximate thickness of the oil film should be
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