A spherical wave spreads out from a source, and the total power at a distance of R₀ is P₀. At a distance of 2R₀ the power is A) P₀/8. B) P₀/4. C) P₀/2. D) P₀.

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The Answer of A spherical wave spreads out from a source, and the total power at a distance of R₀ is P₀. At a distance of 2R₀ the power is A) P₀/8. B) P₀/4. C) P₀/2. D) P₀.

A Spherical Wave Spreads Out from a Source, and the Total