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The Intensity at a Distance of 6

Question 98

Multiple Choice

The intensity at a distance of 6.0 m from a source that is radiating equally in all directions is 6.0 × 10-10 W/m2.What is the power emitted by the source?


A) 2.1 × 10-8 W
B) 2.7 × 10-7 W
C) 2.1 × 10-6 W
D) 2.7 × 10-5 W

Correct Answer:

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