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In Young's double slit experiment the fr...

In Young's double slit experiment the fringe are formed at a distance of 1 m from double slits of separation 0.12 mm. Calculate
The distance of 3rd bright band from the centre of the screen, given `lamda=6000A`

Text Solution

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For `n^(th)` bright fringe `x_(n)=(nDlambda)/d`
`x_(3)=(3xx100xx6xx10^(-7))/0.012 = 1.5xx10^(-2)m =1.5m` `[because n=3]`
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