In Young’s double slit experiment, the slits are 2 mm apart and are illuminated by photons of two wavelengths \\lambda_{1}=12000 \stackrel{0}{A} and \\lambda_{2}=10000 \stackrel{0}{A} . At what minimum distance from the common central bright fringe on the screen 2 m from the slit will a bright fringe from one interference pattern coincide with a bright fringe from the other?

NEET 2019 Model Question Paper 2

Question : 130 of 174

Marks: +1, -0

In Young’s double slit experiment, the slits are 2 mm apart and are illuminated by photons of two wavelengths λ1=12000

and λ2=10000

. At what minimum distance from the common central bright fringe on the screen 2 m from the slit will a bright fringe from one interference pattern coincide with a bright fringe from the other?

4 mm
3 m
8 mm
6 mm

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