The oscillating magnetic field in a plane electromagnetic wave is given as by = (8 × 10-6) sin [2 × 1011t+ 300πx] T. Calculate the wavelength of the EM wave;
Answer & explanation
Correct answer: option 4
Wavelength λ = 2π/K
= 2π/300π
= 0.00667
= 6.67x10-3m