AP EAMCET201726 Apr 2017Morning ShiftPhysicsElectromagnetic WavesActual
The amplitude of electric field in an electromagnetic wave is 60 Vm ⁻¹ . Then the amplitude of magnetic field is
Options
- A2 10⁻⁷ ~T
- B2 10^7 ~T
- C6 10^7 ~T
- D6 10⁻⁷ ~T
Correct answer
A. 2 10⁻⁷ ~T
Step-by-step solution
aligned & B₀= E₀ c [ c=3 10^8 ~m / s ] & = 60 3 10^8 =20 10⁻⁸=2 10⁻⁷ ~T aligned