The electric field of an electro-magnetic wave is given by E_y = 25 sin(2.4 $\times$ 10⁶ $\pi$ (x - 3.0 $\times$ 10⁸t)).What is the frequency of the wave? A)4.8 $\times$ 10⁷ s^-1 B)3.6 $\times$ 10¹⁴ s^-1 C)1.2 $\times$ 10⁶ s^-1 D)2.3 $\times$ 10¹⁵ s^-1 E)none of the above

Question

Quizplus · Accepted Answer

The angular frequency ω is given by the coefficient of t in the argument of the sine function, which is 2.4π x 10^6. The frequency f is ω/2π, which calculates to 3.6 x 10^14 s^-1.

The Electric Field of an Electro-Magnetic Wave Is Given by Ey

The Electric Field of an Electro-Magnetic Wave Is Given by E_y