A 27 mW laser beam has a cross-sectional area of $10 \mathrm{~mm}^2$. The magnitude of the maximum electric field in this electromagnetic wave is given...

The electric field of a plane electromagnetic wave propagating along the x direction in vacuum is $\vec{E}=E_0 \hat{j} \cos (\omega t-k x)$. The magnetic field...

A plane electromagnetic wave is propagating along the direction $\frac{\hat{i}+\hat{j}}{\sqrt{2}}$, with its polarization along the direction $\hat{k}$. The correct form of the magnetic field of...

A plane electromagnetic wave of frequency 25 GHz is propagating in vacuum along the z-direction. At a particular point in space and time, the magnetic...

The magnetic field of a plane electromagnetic wave is given by :
$\overrightarrow{\mathrm{B}}=\overrightarrow{\mathrm{B}}_0 \hat{\mathrm{i}}\left[\cos (\mathrm{kz}-\omega \mathrm{t})+\mathrm{B}_1 \hat{\mathrm{j}} \cos (\mathrm{kz}+\omega \mathrm{t})\right.$
where $...

The electric field in an electromagnetic wave is given by $\mathrm{E}=\left(50 \mathrm{NC}^{-1}\right) \sin \omega(\mathrm{t}-\mathrm{x} / \mathrm{c})$ The energy contained in a cylinder of volume V...

https://competishun.com/emw_jee-main-31-08-2021_s1/

The electric field of a plane polarized electromagnetic wave in free space at time t = 0 is given by an expression
$...

The magnetic field vector of an electromagnetic wave is given by $B=B \circ \frac{i+j}{\sqrt{2}} \cos (k z-\omega t)$; where ${ }^{\hat{i}, \hat{j}}$ represents unit vector...