ShawnaLove2434 ShawnaLove2434

01-07-2017
Physics

contestada

What is the energy in joules and ev of a photon in a radio wave from an am station that has a 1500 khz broadcast frequency?

Respuesta :

egenriether egenriether

01-07-2017

E=hf
E=6.626e-34[Js]•1500e3[Hz]=9.939e-28[J]
For eV divide this by electron charge
9.939e-28[J]/1.6022e-19[C/e]=
6.203e-9eV

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