What is the wavelength for visible light? – McqOptions

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1.	What is the wavelength for visible light?
A.	3.9 * 10¯¹ to 7.8 * 10¯¹ micron meter
B.	4.9 * 10¯¹ to 7.8 * 10¯¹ micron meter
C.	5.9 * 10¯¹ to 7.8 * 10¯¹ micron meter
D.	6.9 * 10¯¹ to 7.8 * 10¯¹ micron meter
Answer» B. 4.9 * 10¯¹ to 7.8 * 10¯¹ micron meter

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