The refractive index of air is 1.0003. The thickness of air column whi – McqOptions

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1.	The refractive index of air is 1.0003. The thickness of air column which will have one more wavelength of yellow light \[(X=\text{ }6000\overset{o}{\mathop{A}}\,)\] than in the same thickness in vacuum is
A.	2 mm
B.	2 cm
C.	2 m
D.	2 km
Answer» B. 2 cm

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