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A plane electromagnetic wave propagating in x-direction is described by E y = (200 Vm –1 ) sin[1.5 × 10 7 t – 0.05 x]; The intensity of the wave is: (Use ε 0 = 8.85 × 10 –12 C 2 N –1 m –2 )

1. 26.6 Wm –2
2. 35.4 Wm –2
3. 53.1 Wm –2
4. 106.2 Wm –2

Correct answer: 53.1 Wm –2

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