[Solved] What is the wavelength of visible spectrum?

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Q.	What is the wavelength of visible spectrum?
A.	1300 A° -3000 A°
B.	3900 A° - 7600 A°
C.	7800 A° - 8000 A°
D.	8500 A° - 9800 A°
Answer» B. 3900 A° - 7600 A°
Explanation: The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengths from about 390 to 750 nm in terms of angstrom it is in between 3900 - 7600 A°.

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