A plane electromagnetic wave travels in free space along x-axis. At a particular point in space, the electric field along y-axis is 9.3 V m⁻¹. The magnetic induction is:
Options

Question

A plane electromagnetic wave travels in free space along x-axis. At a particular point in space, the electric field along y-axis is 9.3 V m⁻¹. The magnetic induction is:

G1 Physics · Accepted Answer

For an electromagnetic wave in vacuum, B=E/c=9.3/(3×10⁸)=3.1×10⁻⁸ T. Option A.