原子光谱 Electromagnetic Spectrum Slide the black arrow up and down and observe y rays 10-2 nm the waveform 1013Hz x rays 100 400 nm 1017Hz 1016Hz Ultraviolet 1015Hz Visible103 500 nm 04008001200160020002400 Infrared 1013Hz 1012Hz 600 nm Microwave 10-1cm 09 Hz 700m 1000 MHZ 100MH 10 MHz- Radio 7101 102 Visible 1 MHz= Spectrum 1000 kHz原子光谱