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In an electromagnetic wave, the magnetic field is given by $B = 2 \times 10^{- 7} \sin (0.5 \times 10^{3} x + 1.5 \times 10^{11} t) t e s l a$ . The intensity of electromagnetic wave is about (in $\frac{W}{m^{2}}$ )

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Correct option is D

Intensity of electromagnetic wave is B022μ0chere B0=2×10-7so intensity I =4×10-14×3×1082×4π×10-7=302π≈5

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In an electromagnetic wave, the magnetic field is given by B=2×10-7sin0.5×103x+1.5×1011t tesla . The intensity of electromagnetic wave is about (in Wm2 )

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In an electromagnetic wave, the magnetic field is given by $B = 2 \times 10^{- 7} \sin (0.5 \times 10^{3} x + 1.5 \times 10^{11} t) t e s l a$ . The intensity of electromagnetic wave is about (in $\frac{W}{m^{2}}$ )