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Engineering

In Young's double slit experiment, monochromatic light of wavelength 5000A˚5000 \mathring{A} is used. The slits are 1.0 mm apart and screen is placed at 1.0 m away from slits. The distance from the centre of the screen where intensity becomes half of the maximum intensity for the first time is___ ×106\times 10^{-6}m.