Problem: The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of 695 mW/m2. The wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. The total energy that traverses the area in a time interval of one minute is closest to: A) 130 J B) 250 J C) 160 J D) 220 J E) 190 J

🤓 Based on our data, we think this question is relevant for Professor Karkare's class at ASU.

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Problem Details

The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of 695 mW/m2. The wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. The total energy that traverses the area in a time interval of one minute is closest to:

A) 130 J

B) 250 J

C) 160 J

D) 220 J

E) 190 J

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Our tutors have indicated that to solve this problem you will need to apply the Energy Carried by Electromagnetic Waves concept. You can view video lessons to learn Energy Carried by Electromagnetic Waves. Or if you need more Energy Carried by Electromagnetic Waves practice, you can also practice Energy Carried by Electromagnetic Waves practice problems.

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Based on our data, we think this problem is relevant for Professor Karkare's class at ASU.