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In Young's double slit experiment, the w...

In Young's double slit experiment, the wavelength of red light is`7800Å` and that of blue light is `5200Å`. The minimum value of `n` for which `nth` bright band due to red light coincides with `(n+1)^(th)` bright band due to blue light, is:

A

1

B

2

C

3

D

4

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The correct Answer is:
B
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