Which one of the following statements is correct?
- AIn vacuum,the speed of light depends upon frequency.
- BIn vacuum,the speed of light does not depend upon frequency.
- CIn vacuum,the speed of light is independent of frequency and wavelength.
- DIn vacuum,the speed of light depends upon wavelength.
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In an electromagnetic wave,the electric field $\vec{E}$ and the magnetic field $\vec{B}$ oscillate in the region near the source as:
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View SolutionThe efficiency of a bulb of power $60 \ W$ is $16 \%$. The peak value of the electric field produced by the electromagnetic radiation from the bulb at a distance of $2 \ m$ from the bulb is $\left(\frac{1}{4 \pi \epsilon_0}=9 \times 10^9 \ Nm^2 C^{-2}\right)$ (in $Vm^{-1}$)
DifficultTS EAMCET 2024
View SolutionWhat is the wavelength of light with a frequency of $100\;Hz$?
If $E_{o}$ and $B_{o}$ are the magnitudes of the electric and magnetic fields respectively of an electromagnetic wave in vacuum,then among the following the correct relation is ($\mu_0-$ permeability of free space,$\varepsilon_0-$ permittivity of free space).
The speed of electromagnetic waves in a medium is $1.5 \times 10^8 \ m/s$. If the relative permittivity of that medium is $2$,then its magnetic susceptibility is (speed of light in vacuum is $3 \times 10^8 \ m/s$).
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