1.

state anae of visible band of elect so mawve which qive visible cffect

Answer»

Thevisible spectrumis the portion of theelectromagnetic spectrumthat isvisibleto thehuman eye.Electromagnetic radiationin this range ofwavelengthsis calledvisible lightor simplylight. A typicalhuman eyewill respond to wavelengths from about 390 to 700nanometers.In terms of frequency, this corresponds to a band in the vicinity of 430–770THz.



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