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The parallel beams of monochromatic ligh...

The parallel beams of monochromatic light of wavelength` 4.5 xx 10^(-7) m` passes through a long slit with width `0.2xx10^(-3)m`. The angular divergence in which most of the light is

A

`4.5 xx 10^(-3) rad`

B

45 rad

C

`2.25 xx 10^(-3) rad`

D

`9.0 xx 10^(-3) rad`

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