Melissamv74411 Melissamv74411
  • 23-01-2024
  • Physics
contestada

A plan electromagnetic wave travelling in a vaccum is given by e=e sin where e 100nc teh average energy density of the wave is nearly equal to:
a. 50 J/m3
b. 100 J/m3
c. 200 J/m3
d. 400 J/m3

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