wave-optics

Question: In a Young's double slit experiment, the fringe width is found to be 0.4 mm. If the whole apparatus is immersed in water of refractive index 4/3 without disturbing the geometrical arrangement, the new fringe width will be



1) 0.30 mm
2) 0.40 mm
3) 0.53 mm
4) 450 micron
Solution: Explanation: No Explanation
Young's Double Slit Experiment YDSE

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