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In Young's double slit experiment the fr...

In Young's double slit experiment the fringe width obtained is 0.6cm , when light of wavelength 4800 `Å` is used. If the disatance between the screen and the slit is reduced to half, what should be the wavelength of light used to obtain fringes 0.0045 m wide ?

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SL ARORA-WAVE OPTICS-Based on Intensity Distribution in interference pattern
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