Units and Dimensions – 7

7. If the wavelength of the green line of the visible spectrum is 546 nm, its value in metre is :

(a) 546 × 10–10
(b) 546 × 10–19
(c) 54.6 × 10–8
(d) 54.6 × 109

Answer : (c)

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

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