Question

In a plane electromagnetic wave if the amplitude of oscillating electric field is $45,Vm^{-1}$ then the amplitude of the oscillating magnetic field is

• A. $2.5\times10^{-8},T$
• B. $1.5\times10^{-7},T$
• C. $3\times10^{-8},T$
• D. $1.5\times10^{-8},T$
• E. $2.5\times10^{-7},T$

Hint:

Physics Tip: In EM waves, electric and magnetic fields are always perpendicular and related by $E=cB$.

Answer 1

The Correct Option is B