The thickness of air column which will have one more wavelength of yellow light (of wavelength 6000 Angstrom) than in same thickness in vacuum is( refractive index of air is 1.0003)
(A)0.5mm
(B)1mm
(C)2mm
(D)4mm
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0.5 send thanks please.........
Omi272001:
um no thanks the answer is 2mm. i got it.
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