Multiple Choice
A distance R away from a light source we observe which of the following for the electromagnetic field it produces?
A) Both the light intensity and the magnitude of the electric field drop as 1/R2.
B) The light intensity drops as 1/R2, but the magnitude of the electric field drops as 1/R.
C) Both the light intensity and the magnitude of the electric field drop as 1/R.
D) The light intensity drops as 1/R, but the magnitude of the electric field drops as 1/R2.
E) None of the previous answers is correct.
Correct Answer:
Verified
Correct Answer:
Verified
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