Ray optics is valid, when characteristic dimensions are - Vidyadip

MCQ

Ray optics is valid, when characteristic dimensions are

A
Of the same order as the wavelength of light
B
Much smaller than the wavelength of light
C
Of the order of one millimetre
✓
Much larger than the wavelength of light

✓

Answer

Correct option: D.

Much larger than the wavelength of light

Ray optics is valid when size of the objects is much larger than the order of wavelength of light.

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