In a Young’s interference experimental arrangement, the yellow light is composed of two wavelengths 5890 A0 and 5895 A0. The distance between the two slits is 10–3 m and screen is placed 1 m away. Upto what order can fringes be seen?
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answer is 1.
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Detailed Solution
When the maxima of one wavelength coincides with minima of the other, the fringes will disappear Hence fringes will be visible upto 589 order of wavelength 5895 A0