chemistry

WAVELENGTHS OF ELECTROMAGNETIC RADIATIONS

	Electromagnetic radiations			Wave length (Å)
	Radio waves			3 x1014 to 3 x107
	Micro waves			3 x109	to 3 x106
				6 x106
	Infrared (IR)				to 7600

	1.1.1 Visible			7600 to 3800
	Ultra violet (UV)			3800 to 150
	X–rays			150 to 0.1
	Gamma rays			0.1 to 0.01
	Cosmic rays			0.01 to zero