Electromagnetic Waves PYQs - Last 5 Years
TS EAMCET / Physics / Electromagnetism / 19 recent questions
PhysicsElectromagnetism2021-2025
Practice 19 TS EAMCET Physics questions from Electromagnetic Waves. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Last 5 Years Electromagnetic Waves Questions
Showing 19 of 19 filtered questions.
1Electromagnetic Waves
If the electric field of a plane electromagnetic wave is $E_z=60 \sin \left(0.5 \times 10^3 x+1.5 \times 10^{11} t\right) \mathrm{Vm}^{-1}$, then the magnetic field of the wave is
MCQ+1 / -02025
2Electromagnetic Waves
The amplitude of the electric field associated with a light beam of intensity $\frac{15}{\pi} \mathrm{Wm}^{-2}$ is
MCQ+1 / -02025
3Electromagnetic Waves
The dielectric constant of a medium is 8 and its relative permeability is 200 . If an electromagnetic wave of frequency 100 MHz travels in this medium, then its wavelength is
MCQ+1 / -02025
4Electromagnetic Waves
If electromagnetic waves of power 600 W incident on a non-reflecting surface, then the total force acting on the surface is
MCQ+1 / -02025
5Electromagnetic Waves
If the amplitude of the magnetic field part of a harmonic electromagnetic wave in vacuum is 270 nT , the amplitude of the electric field part of the wave is
MCQ+1 / -02024
6Electromagnetic Waves
A plane electromagnetic wave of electric and magnetic fields $E_0$ and $B_0$ respectively incidents on a surface. If the total energy transferred to the surface in a time of $t$ is $U$, then the magnitude of the total momentum delivered to ...
MCQ+1 / -02024
7Electromagnetic Waves
If the peak value of the magnetic field of an electromagnetic wave is $30 \times 10^{-9} \mathrm{~T}$, then the peak value of the electric field is
MCQ+1 / -02024
8Electromagnetic Waves
Electromagnetic radiation of intensity $0.6 \mathrm{Wm}^{-2}$ is falling on a black surface. The radiation pressure on the surface is
MCQ+1 / -02023
9Electromagnetic Waves
Match the electromagnetic radiations given in List-I with their uses given in List-II
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MCQ+1 / -02023
10Electromagnetic Waves
The speed of electromagnetic waves in a medium is $1.5 \times 10^8 \mathrm{~ms}^{-1}$. If relative permittivity of that medium is 2 , then its magnetic susceptibility is (speed of light in vacuum is $3 \times 10^8 \mathrm{~ms}^{-1}$ ).
MCQ+1 / -02023
11Electromagnetic Waves
If a plane electromagnetic wave has electric field oscillations of frequency 3 GHz , then the wavelength of the wave is (speed of light in vacuum $=3 \times 10^8 \mathrm{~ms}^{-1}$ )
MCQ+1 / -02023
12Electromagnetic Waves
The correct statement among the following is
MCQ+1 / -02023
13Electromagnetic Waves
On a particular day, the sun delivers an average power of $\left(\frac{6}{\pi} \times 10^3\right) \frac{\mathrm{W}}{\mathrm{m}^2}$ to the top of earth's atmosphere. Find the amplitude of magnetic field for the electromagnetic waves above at...
MCQ+1 / -02022
14Electromagnetic Waves
In a plane EM wave, the electric field oscillates sinusoidally at a frequency of 30 MHz and amplitude $150 \mathrm{~V} / \mathrm{m}$, Identify the correct expression of $\mathbf{B}$ assuming the wave is propagating along $X$-axis and is osc...
MCQ+1 / -02022
15Electromagnetic Waves
About $20 \%$ of the power of a 100 W bulb is converted to visible radiation. Assuming that the radiation is emitted isotropically and neglecting reflection, the average intensity of visible radiation at a distance of 5 m is $\frac{\alpha}{...
MCQ+1 / -02022
16Electromagnetic Waves
A laser beam has intensity $2.1 \times 10^{15} \mathrm{~W} / \mathrm{m}^2$. The amplitude of magnetic field in the beam in approximately is
MCQ+1 / -02022
17Electromagnetic Waves
An electromagnetic wave is propagating in vacuum along $-\hat{\mathbf{j}}$ direction. The magnetic field of the wave is given by $\mathbf{B}=\left(2 \times 10^{-8}\right) \cos \left[\pi \times 10^{15}\left(t+\frac{y}{c}\right)\right] \hat{\...
MCQ+1 / -02022
18Electromagnetic Waves
An electromagnetic wave has its electric and magnetic fields given by
\(\mathbf{E}(t)=\mathbf{E}_m \sin (k x-\omega t) ; \quad \mathbf{B}(t)=\mathbf{B}_m \sin (k x-\omega t)\)
If the direction of $\mathbf{E}_m$ and $\mathbf{B}_m$ are in t...
\(\mathbf{E}(t)=\mathbf{E}_m \sin (k x-\omega t) ; \quad \mathbf{B}(t)=\mathbf{B}_m \sin (k x-\omega t)\)
If the direction of $\mathbf{E}_m$ and $\mathbf{B}_m$ are in t...
MCQ+1 / -02022
19Electromagnetic Waves
A beam of white light is incident normally on a plane surface absorbing 70\% of the light and reflecting the rest. If the incident beam carries 10 W of power, the force exerted by it on the surface is
MCQ+1 / -02022