If the Electric Field in a Plane Electromagnetic Wave Is $\omega$

Multiple Choice

If the electric field in a plane electromagnetic wave is given by E_msin[(3 *10⁶/m^-1) x - $\omega$ t) ], in SI the value of $\omega$ is:

A) 0.01 rad/s
B) 10 rad/s
C) 100 rad/s
D) 9*10¹⁴ rad/s
E) 9 *10¹⁶ rad/s