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A beam of light of lamda=600 nm from dis...

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

A

`1.2 cm`

B

`1.2 mm`

C

`2.4 cm`

D

`2.4 mm`

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The correct Answer is:
D
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