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Which of the following have zero average...

Which of the following have zero average value un a plane electromagnetic wave?
(i)electric field (ii)magnetic field
(iii) electric energy (iv) magnetic enegry

A

`(i),(ii)`

B

`(ii),(iii)`

C

`(i),(iii)`

D

`(i),(iv)`

Text Solution

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The correct Answer is:
A
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CP SINGH-ELECTROMAGNETIC WAVES-EXERCISES
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  2. Speed of electromagnetic waves is the same

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  3. An em wave going through vacuum is described by E=E0sin(kx-omegat) B...

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  4. A plane electromagnetic wave is incident on a material surface. The wa...

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  5. An electromagnetic wave going through vacuum is described by E= E0 s...

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  6. Which of the following have zero average value un a plane electromagne...

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  7. Consider the following two statements regarding a linearly polarized, ...

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  8. The energy contained in a small volume through which an electromagneti...

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  9. An electric field (vec E) and a magnetic field (vec B)exist in a regio...

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  10. Choose the correct option

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  11. The electric and the magnetic field, associated with an e.m. wave prop...

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  12. An electromagnetic wave travel along z-axis. Which of the following pa...

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  14. The oscillating electric and magnetic vectors of an electromagnetic wa...

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

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

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  17. The magnetic field amplitude of an electromagnetic wave is 2 xx 10^(-7...

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

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  19. If the total electromagnetic energy falling on a surface is U then the...

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