MCQ
In a plane electromagnetic wave travelling in free space, the electric field component oscillates sinusoidally at a frequency of $2.0 \times 10^{10}\,Hz$ and amplitude $48\,Vm ^{-1}$. Then the amplitude of oscillating magnetic field is : (Speed of light in free space $=3 \times 10^8\,m s ^{-1}$)
- A$1.6 \times 10^{-6}\,T$
- B$1.6 \times 10^{-9}\,T$
- C$1.6 \times 10^{-8}\,T$
- ✓$1.6 \times 10^{-7}\,T$
