Young’s double slit experiment is performed with light of wavelength 550 nm. The separation between the slits is 1.10 mm and screen is placed at distance of 1 m. What is the distance between the consecutive bright or dark fringes

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1.5 mm

1.0 mm

0.5 mm

None of these

answer is C.

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Detailed Solution

Distance between consecutive bright fringes or dark fringes = ββ=λDd=550×10−9×11.1×10−3=500×60−6=0.5mm

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