Introduction to Optical Fiber – 4

4. The wavelength of visible light extends from :

(a) 0.8 to 1.0 nm
(b) 400 to 750 nm
(c) 200 to 660 nm
(d) 
700 to 1200 nm

Answer : (b)

Explanation : No answer description available for this question. Let us discuss.

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