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Ray optics is valid, when characteristic...

Ray optics is valid, when characteristic dimensions are much larger than the wavelenght of light.

A

much smaller than the wavelenght of light

B

much larger than the wavelenght of light

C

of the same order as the wavelenght of light

D

of the order of one millimetre

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Ray optics is valid, when characterstic dimensions are much larger than the wavelenght of light.
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