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In a two-slit experiment with monochroma...

In a two-slit experiment with monochromatic light, fringes are obtained on a screen placed at some distance from the slits. If the screen is moved by `5xx10^(-2)` m towards the slits, the change in fringe width is `3xx10^(-5)`. If the distance between the slits is `10^(-3)`m, calculate the wavelength of the light used.

A

`lambda=4450Å`

B

`lambda=4850Å`

C

`lambda=2650Å`

D

`lambda=6750Å`

Text Solution

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The correct Answer is:
B
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