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The Magnetic Field of an Electromagnetic Wave Has a Peak

Question 8

Multiple Choice

The magnetic field of an electromagnetic wave has a peak value of 5.0 × 10-10 T.What is the intensity of the wave? (c = 3.0 × 108 m/s,c = 3.00 × 108 m/s,μ0 = 4π × 10-7 T • m/A, The magnetic field of an electromagnetic wave has a peak value of 5.0 × 10<sup>-10</sup> T.What is the intensity of the wave? (c = 3.0 × 10<sup>8</sup> m/s,c = 3.00 × 10<sup>8</sup> m/s,μ<sub>0</sub> = 4π × 10<sup>-7</sup> T • m/A, A) 1.0 × 10<sup>-13</sup> W/m<sup>2</sup> B) 1.5 × 10<sup>-5</sup> W/m<sup>2</sup> C) 3.0 × 10<sup>-5</sup> W/m<sup>2</sup> D) 2.0 × 10<sup>-13</sup> W/m<sup>2</sup> E) 7.5 × 10<sup>5</sup> W/m<sup>2</sup>


A) 1.0 × 10-13 W/m2
B) 1.5 × 10-5 W/m2
C) 3.0 × 10-5 W/m2
D) 2.0 × 10-13 W/m2
E) 7.5 × 105 W/m2

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