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Light of wavelength 600 nm is incident n...

Light of wavelength 600 nm is incident normally on a slit of width 0.2 mm. The angular width of central maxima in the diffraction pattern is ( measured from minimum to minimum )

A

` 6 xx 10^(-3) rad`

B

` 4 xx 10^(-3) rad`

C

` 2.4 xx 10^(-3) rad`

D

` 4.5 xx 10^(-3) rad`

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The correct Answer is:
A
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