1.

White light is used to illuminate two slits in a YDSE. The separation between the slits is d and the screen is at a distance D(D gt gt d) from the slits. At a point on the screen direcrtly in front of one of the slits, which of the following wavelengths are missing.

Answer»

`(B^(2))/(D)`
`(2B^(2))/(D)`
`(b^(2))/(3D)`
`(2b^(2))/(3D)`

Answer :A::C


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