Light and Illumination

Frequency wavelengthf (Hz) nm)10 2410 2310 2210 2110 2010 1910 1810 1710 1610 1510 1410 1310 1210 1110 1010 910 810 710 610 510 4Gamma raysX-raysUltravioletInfrared raysShort RadiowavesBroadcast RadioLong Radiowaves10 -710 -610 -410 -310 -111010 210 310 410 510 610 710 810 910 1010 1110 1210 13The EM SpectrumA wavelength of onenanometer 1 nm is:1 nm = 1 x 10 -9 -9 mVisible Spectrum400 nm 700 nmRed 700 nm Violet 400 nmc = fc = 3 x 10 8 m/s