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The Young's double slit experiment is ca...

The Young's double slit experiment is carried out with light of wavelength `5000Å`. The distance between the slits is `0.2 mm` and the screen is at `200 cm` from the slits. The central maximum is at `y=0`. The third maximum will be at `y` equal to

A

`1.67 cm`

B

`1.5 cm`

C

`0.5 cm`

D

`5.0 cm`

Text Solution

Verified by Experts

The correct Answer is:
B
For `3^(rd)` maximum
`y_(3)=(3Dlambda)/d=(3xx2xx5000xx10^(-10))/(0.2xx10^(-3))`
`=1.5xx10^(-2)m=1.5 cm`
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