Problem

Problem

The magnetic field in a plane electromagnetic wave is given by By=2×10−7 T sin⁡ ⁣(0.5×103x+1.5×1011t)B_y = 2 \times 10^{-7}\,\mathrm{T}\,\sin\!\left(0.5 \times 10^3 x + 1.5 \times 10^{11} t\right). (a) What is the wavelength and frequency of the wave? (b) Write an expression for the electric field.

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