3. The energy of a photon is given by E = hf, where his the Planck constant and fis the frequency. The wavelength λis related to the frequency by λf = c, so E = hc/λ. Since h= 6.626 ×10–34J·s and c= 2.998 ×108m/s, hc=×⋅××=⋅−−−6 626 102 998 101602 1010
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.