A beam of light of λ=600 nm from a distant source falls on a single slit 1 mm wide

A beam of light of λ=600 nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between first dark fringes on either side of the central bright fringe is

Options

(a) 1.2 cm
(b) 1.2 mm
(c) 2.4 cm
(d) 2.4 mm

Correct Answer:

2.4 mm

Explanation:

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