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In the abov question if the ligth incide...

In the abov question if the ligth incident is monochromatic and point `O` is a maxima,then the wavelength of the light incident cannot be

A

`d^(2)//3D`

B

`d^(2)//6D`

C

`d^(2)//12D`

D

`d^(2)//18d`

Text Solution

Verified by Experts

The correct Answer is:
A
`(xd)/(D)=nlambda rArr (d^(2)/(6D)=nlambda`
` lambda=d^(2)/(6Dxxn) rArr n=1,2,3`
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