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14. 1. Poynting’s Theorem
www2.ph.ed.ac.uk14. 1. Poynting’s Theorem (Gri ths 8.1.2) ... To understand radiation pressure classically let’s go back to the example of an xpolarised wave propagating in ezdirection: the electric eld moves charges, on the surface the radiation ... radiation" = light bouncing around in all directions; this gives instead p rad= hu