EM Waves Questions

The dimensions of $({\mu }_0{ϵ}_0{)}^{-1/2}$ are:

The electric and the magnetic field, associated with an e.m. wave, propagating along the $+z$ -axis, can be represented by:

The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is:

The electric and magnetic field of an electromagnetic wave are:

The velocity of electromagnetic radiation in a medium of permittivity $ϵ$ and permeability $\mu$ is given by:

The electric field part of an electromagnetic wave in a medium is represented by $E_x=0$, $E_y=2.5\text{N/C}\cos [2\pi \times 10^6\frac{\text{rad}}{\text{s}}t-\pi \times 10^{-2}\frac{\text{rad}}{\text{m}}x]$, $E_z=0$. The wave is:

Which of the following statements is false for the properties of electromagnetic waves?

The ratio of amplitude of magnetic field ($B_0$) to the amplitude of electric field ($E_0$) for an electromagnetic wave propagating in vacuum is equal to:

The electric field associated with an e.m. wave in vacuum is given by $E=40\cos (kz-6\times 10^{8}t)\hat{i}$. The value of wave vector $k$ is:

The condition under which a microwave oven heats up a food item containing water molecules most efficiently is:

Light with an energy flux of $25\times 10^4{\text{Wm}}^{-2}$ falls on a perfectly reflecting surface at normal incidence. If the surface area is $15{\text{cm}}^2$, the average force exerted on the surface is: