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Physics
Ray optics is valid, when characteristic dimensions are
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Q. Ray optics is valid, when characteristic
dimensions are
AIPMT
AIPMT 1994
Ray Optics and Optical Instruments
A
much smaller than the wavelength of light
13%
B
of the same order as the wavelength of light
9%
C
of the order of one millimetre
9%
D
much larger than the wavelength of light.
69%
Solution:
Correct answer is (d) much larger than the wavelength of light.