An isotropic source creates a wave whose intensity is 4 x 10-8 W/m2 at a distance of 1.0 m from the source. At a distance of only 0.71 m from the source, the intensity would be nearest to Group of answer choicesa.half as muchb.one-fourth as muchc.twice as muchd.four times as much

When a source emits the wave in all direction, The energy at a distance r from the source…

Answered: An isotropic source creates a wave…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter13: Mechanical Waves

Section: Chapter Questions

Problem 6P

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An isotropic source creates a wave whose intensity is 4 x 10^-8 W/m² at a distance of 1.0 m from the source. At a distance of only 0.71 m from the source, the intensity would be nearest to

Group of answer choices

a.half as much

b.one-fourth as much

c.twice as much

d.four times as much

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