Emitter radiation field in radiative coupling

Q.  In radiative coupling, the emitter radiation field
- Published on 08 Sep 15

a. Decays as 1 / R, where R is the separation distance between the emitter and the receptor
b. Decays as R, where R is the separation distance between the emitter and the receptor
c. Decays as 1 / 2 R, where R is the separation distance between the emitter and the receptor
d. Decays as 2R, where R is the separation distance between the emitter and the receptor

ANSWER: Decays as 1 / R, where R is the separation distance between the emitter and the receptor

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