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Light of wavelength lambda is incident o...

Light of wavelength `lambda` is incident on slit of width d. The resulting diffraction pattern is observed on a screen placed at distance D. The linear width of central maximum is equal to width of the slit then D = .......

A

`(2 lambda^(2))/(d)`

B

`(d^(2))/(2lambda)`

C

`(d)/(lambda)`

D

`(2lambda)/(d)`

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