JEE Main 202229 Jun, Morning shiftPhysicsMediumElectromagnetic Waves120× since 2002
The intensity of the light from a bulb incident on a surface is 0.22 W/m². The amplitude of the magnetic field in this light-wave is ______________ 10^9 T.
(Given : Permittivity of vacuum ₀ = 8.85 10^12 C² N^1-m^2, speed of light in vacuum c = 3 10⁸ ms^1)