In a double slit experiment, the separation between the slits is d and distance of the screen from slits is D. If the wavelength of light used is `lambda` and I is the intensity of central bright fringe, then intensity at distance from central maximum is

Options

A. `Icos^(2)((pi^(2)xd)/(lamdaD))`
B. `I^(2) sin^(2)((pixd)/(2lamda'D))`
C. `Icos^(2)((pixd)/(lamdaD)`
D. `Isin^(2)((pixd)/(lamdaD))`

Answer

C

Explanation

NA