an observer is at distance r metre from an isotropic point light sourc – InterviewSolution

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1.	an observer is at distance r metre from an isotropic point light source whose power is H Watt .the rms value of electric field at the position of observer
Answer» an observer is at distance r metre from an isotropic point light source whose power is H Watt .the rms value of electric field at the position of observer

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