Physics · Electromagnetic Waves
The electric field in an electromagnetic wave is given by E = 56.5 sin ω(t - x/c) N/C. Find the intensity of the wave if it is propagating along the x-axis in free space. (Given: ε0 = 8.85 × 10-12 C2N-1}m-2)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 156.5 W/m2
- 21.9 × 10-7 W/m2
- 34.24 W/m2✓
- 45.65 W/m2
Correct answer
4.24 W/m2
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