km 103 m Hz 1 kHz m 1 m 103 MHz 106 cm 10-2 m GHz 109 mm 10-3 m 10-6 m m nm 10-9 m The major categories of electromagnetic spectrum are listed in Table 4.2 and represented in Figure 4.1. Table 4.2 Categories of the Electromagnetic Spectrum Category Range Gamma Rays <0.03nm X-rays 0.03 - 300nm UV 0.30 - 0.38m (300-380nm) Visible light 0.38 - 0.72m (380 - 720 nm) Blue 0.38 - 0.5m Green 0.5 - 0.6m Red 0.6 - 0.72m Infrared Near 0.72 - 1.3m Mid 1.30 - 3.00m Far 7 - 1000m (1mm) Radio waves 1mm - 100km Microwave 1mm-30cm
km 103 m m 1 m cm 10-2 m mm 10-3 m m 10-6 m nm 10-9 m Hz 1 kHz 103 MHz 106 GHz 109 The major categories of electromagnetic spectrum are listed in Table 4.2 and represented in Figure 4.1. Table 4.2 Categories of the Electromagnetic Spectrum Category Range Gamma Rays X-rays UV Visible light Blue Green Red Infrared Near Mid Far Radio waves Microwave <0.03nm 0.03 - 300nm 0.30 - 0.38m (300-380nm) 0.38 - 0.72m (380 - 720 nm) 0.38 - 0.5m 0.5 - 0.6m 0.6 - 0.72m 0.72 - 1.3m 1.30 - 3.00m 7 - 1000m (1mm) 1mm - 100km 1mm-30cm
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