What is the energy in joules and eV of a photon in a radio wave from...
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?
------------ J
------------ eV
Homework Answers
energy E =hf = 6.625x10^-34*1500x10^3 = 9.937 x10^-28 J
1eV = 1.6x10^-19 J
so
E = 9.937 x10^-28eV /1.6x10^-19 =6.2 x 10^-9 eV
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