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In a Young's doule slit experiment, the ...

In a Young's doule slit experiment, the slits are 2 mm apart and are illuminated with a mixture of two wavelengths `lamda=750nm` and `lamda'=900nm`. At what distance from the common central bright fringe on a screen 1.5 m from the slits will a bright fringe from one interference pattern coincide with a bright fringe from the other?

A

0.8 mm

B

1.6 mm

C

2.4 mm

D

3.4 mm

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The correct Answer is:
D
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