The ratio of contributions made by the electric field and magnetic fleld components to the intensity of an electromagnetic wave is :
$(c=$ speed of electromagnetic waves)
$1: c ^{2}$
$c: 1$
$1: 1$
$1: c$
Which scientist discarded postulate of ether?
Write characteristics of electromagnetic waves.
The energy associated with electric field is $(U_E)$ and with magnetic field is $(U_B)$ for an electromagnetic wave in free space. Then
The ratio of the magnitude of the magnetic field and electric field intensity of a plane electromagnetic wave in free space of permeability $\mu_0$ and permittivity $\varepsilon_0$ is (Given that $c$ - velocity of light in free space)
Write equation of energy density of electromagnetic waves.