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Class 12 NEET Physics Optics Questions Part 1

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Question : 23

Total: 100

In Young’s double slit experiment, the slits are 2 mm apart and are illuminated by photons of two wavelengths λ1=12000Å and λ2=10000Å.At what minimum distance from the common central bright fringe on the screen 2 m from the sHt will a bright fringe from one interference pattern coincide with a bright fringe from the other ?

(2013 NEET)

4 mm
3 m
8 mm
6 mm

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