MCQ
Ray optics fails when
- AThe size of the obstacle is $5 cm$
- BThe size of the obstacle is $3 cm$
- ✓The size of the obstacle is less than the wavelength of light
- D$(a)$ and $(b)$ both
✓
Answer
Correct option: C.
The size of the obstacle is less than the wavelength of light
c
(c) Ray optics fails if the size of the object is of the order of the wavelength.
(c) Ray optics fails if the size of the object is of the order of the wavelength.
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