In Young's double slit experiment, the d...

In Young's double slit experiment, the distance between the two slits is 0.1 mm, the distance between the slits and the screen is 1 m and the wavelength of the light used is 600 nm. The intensity at a point on the screen is `75%` of the maximum intensity. What is the smallest distance of this point from the central fringe ?

1.0mm

2.0mm

0.5mm

1.5mm

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