Electric field in a plane electromagnetic wave is given by E = 50 sin(500x – 10 × 1010t) V/m The velocity of electromagnetic wave in this medium is :
(Given C = speed of light in vacuum)
(1) \(\frac{3}{2}C\)
(2) C
(3) \(\frac{2}{3}C\)
(4) \(\frac{C}{2}\)
