The magnetic field in a plane electromagnetic wave is given by `B_(y) = 2xx10^7 T sin (0.5xx10^3x+1.5xx10^11 t) T`
(a) What is the wavelength and frequency of the wave?
(b) Write an expression for the eletric field.

Explanation

To solve the given problem step by step, we will break it down into parts (a) and (b) as specified in the question.

### Part (a): Finding Wavelength and Frequency

1. **Identify the given magnetic field equation**:
\[ B_y = 2 \times 10^{-7} \sin(0.5 \times 10^3 x + 1.5 \times 10^{11} t) \, \text{T} \]
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