1.

White light is used to illuminate the two slits in Young's double slit experiment. The distance between the slits is b and the screen is at a distance d (gt gt b) from the slits. At a point on the screen directly in front of one of the slits, certain wavelengths are missing. Some of the missing wavelengths are :

Answer»

`lambda=(B^(2))/(2d)`
`lambda=(2B^(2))/(d)`
`lambda=(b^(2))/(3D)`
`lambda=(2b^(2))/(3d)`

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