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Light of wave length 600 nm is incident ...

Light of wave length 600 nm is incident on a single slit. The first minimum of the diffraction pattern is obtained at a distance of 4 mm from the centre. The distance between the screen and the slit is 2 m. The width of the slit is

A

0.1 mm

B

0.3 m

C

0.5 m

D

0.6 mm.

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