Electromagnetic waves consist of periodically oscillating electric and magnetic vectors:
- Ain mutually perpendicular planes but vibrating with a phase difference of $\pi$.
- Bin mutually perpendicular planes but vibrating with a phase difference of $\frac{\pi}{2}$.
- Cin randomly oriented planes but vibrating in phase.
- Din mutually perpendicular planes but vibrating in phase.
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Similar Questions
Which of the following statements is false regarding the properties of electromagnetic waves?
Assume a bulb of efficiency $2.5\%$ as a point source. The peak value of the electric field produced by the radiation coming from a $100\, W$ bulb at a distance of $3\, m$ is approximately.....$V\,m^{-1}$.
Medium
View SolutionElectromagnetic waves travel in a medium which has relative permeability $1.3$ and relative permittivity $2.14$. Then the speed of the electromagnetic wave in the medium will be
Easy
View SolutionThe electric and magnetic fields associated with an electromagnetic wave propagating along the $Z$-axis can be represented by:
For a plane electromagnetic wave,the magnetic field at a point $x$ and time $t$ is $\overrightarrow{ B }( x , t ) = [1.2 \times 10^{-7} \sin (0.5 \times 10^{3} x + 1.5 \times 10^{11} t) \hat{ k }] \text{ T}$. The instantaneous electric field $\overrightarrow{ E }$ corresponding to $\overrightarrow{ B }$ is: (speed of light $c = 3 \times 10^{8} \text{ m/s}$)
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