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During the propagation of e.m. wave in a...

During the propagation of e.m. wave in a medium

A

electric energy density is equal to the magnetic energy density

B

both electric and magnetic energy densities are zero.

C

electric energy density is double of the magnetic energy density

D

electric energy density is half of the magnetic energy density

Text Solution

Verified by Experts

The correct Answer is:
a
Energy is equally divided between electric and
magnetic fields.
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PRADEEP-ELECTROMAGNETIC WAVES-Exercise
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  2. In an electromagnetic wave in free space the root mean square value of...

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  3. During the propagation of e.m. wave in a medium

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  4. The rms value of the electric field of the light from the sun is 720 N...

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  5. A point source of electromagnetic radiation has an average power outpu...

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  6. The electric field of a plane electromagnetic wave varies with time of...

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  7. An electromagnetic wave in vacuum has the electric and magnetic field ...

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  8. The electric field associted with an electromagnetic wave in vacuum is...

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  9. A red LED emits light of 0.1 watt uniformaly around it. The amplitude ...

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  10. The energy of the electromagetic wave is of the order of 15 keV. To wh...

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  11. Arrange the following electromagnetic radiations per quantum in the or...

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  12. The correct option, if in vacuum the speed of gamma-rays, x-rays and m...

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  13. The frequency of e.m wave which is best suit to observe a particle of ...

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  14. Consider the following types of electromagnetic radiation: radiowaves,...

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  15. Comparing the masses of the two photons, of red light and violet light

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  16. Consider the following statements about e.m. wave and choose the corre...

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  17. The magnetic field in a plane e.m. wave is given by By=2xx10^-7sin(0...

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  18. If a source of power 4 kW produces 10^(20) photons//second, the radiat...

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  19. Why does microwave oven heats up a food item containing water molecule...

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  20. An e.m. wave is travelling through a medium of refractive index mu1, a...

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