List of top Physics Questions on Electromagnetic waves asked in AP EAPCET

A light of energy flux \[ 9\ \text{W cm}^{-2} \] is incident for \(20\) minutes on a black surface of area \[ 100\ \text{cm}^2. \] Then the maximum average force exerted on the surface is \[ (c=3\times10^8\ \text{m s}^{-1}) \]
Electromagnetic radiations are emitted from a \(15\,\text{W}\) point source. The peak value of the magnetic field at a distance of \(5\,\text{m}\) from the source is
If the average energy density of the electric field of an electromagnetic wave is $U_E$ and the average energy density of the magnetic field of the wave is $U_B$, then:
In an electromagnetic wave in vacuum, the relation between peak electric field E_0 and magnetic field B_0 is:
Microwaves are used in the following:
The radiation pressure \(1\ \text{m}\) away from a \(330\ \text{W}\) electric bulb is
Among the following, the incorrect Maxwell's Electromagnetic equation is
A plane electromagnetic wave of frequency \(50\,MHz\) travels in free space. If the average energy densities in the electric field and magnetic field are \(K_E\) and \(K_B\) respectively, then
The magnetic field in a plane electromagnetic wave is given \[ \vec{B}=(3\times10^{-7}\,\text{T})\sin(3\times10^4x+9\times10^{12}t)\,\hat{j} \] The electric field of this wave is given as
A light of intensity \(12\;Wm^{-2}\) incidents on a black surface of area \(4\;cm^2\). The radiation pressure on the surface is
The electric field \((E)\) and magnetic field \((B)\) of an electromagnetic wave passing through vacuum are given by
\[ E=E_0\sin(kx-\omega t) \] \[ B=B_0\sin(kx-\omega t) \] Then the correct statement among the following is