COMEDK2023PhysicsElectromagnetic Waves
A plane electromagnetic wave of frequency 20 MHz travels through a space along x -direction. If the electric field vector at a certain point in space is 6 Vm ⁻¹ , then what is the magnetic field vector at that point?
Options
- A2 10⁻⁸ ~T
- B1 2 10⁻⁸ ~T
- C2 ~T
- D1 2 T
Correct answer
A. 2 10⁻⁸ ~T
Step-by-step solution
Magnetic field, gathered B= E c , where c=3 10^8 ~m / s . B= 6 3 10^8 =2 10⁻⁸ ~T gathered