Ray optics is valid, when characteristic dimensions are - VgyanHub

Question:

Ray optics is valid, when characteristic dimensions are

Options :

(a) of the same order as the wavelength of light
(b) much smaller than the wavelength of light
(c) of the order of one millimeter
(d) much larger than the wavelength of light

Answer :

(d) much larger than the wavelength of light

Answer Steps :

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