The Intensity of the Waves from a Point Source at a Distance

question 56

Multiple Choice

The intensity of the waves from a point source at a distance d from the source is I.What is the intensity at a distance 2d from the source?

• A)4I
• B)2I
• C)I/2
• D)I/4
• E)I/ \(\sqrt { 2 }\)

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