For an ordinary light source, the coherence time t = 10-10 s. The deg – McqOptions

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1.	For an ordinary light source, the coherence time t = 10-10 s. The degree of Monochromaticity for a wavelength of 6000 Å is ___________
A.	0.1 X 10-4
B.	0.2 X 10-4
C.	0.3 X 10-4
D.	0.4 X 10-4
Answer» C. 0.3 X 10-4

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