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The velocity of electromagnetic wave is ...

The velocity of electromagnetic wave is parallel to

A

`vecBxxvecE`

B

`vecExxvecB`

C

`vecE`

D

`vecB`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ELECTROMAGNETIC WAVES-EXERCISE -IA
  1. According to Maxwell’s hypothesis, a changing electric field gives ris...

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  2. The phase and orientation of the electric field vector linked with ele...

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  3. The velocity of electromagnetic wave is parallel to

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  4. The electromagnetic waves do not transport

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  5. Electromagnetic waves are transverse in nature. It is evident by

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  6. Select wrong statement from the following - Electromagnetic waves

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  7. Which of the following statement is true ?

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  8. An electromagnetic wave passing through vacuum is described by the equ...

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  9. Which of the following rays has minimum frequency?

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  10. Which of the following rays are not electromag­netic wave ?

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  11. Which one of the following electromagnetic radiations have the smalles...

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  12. Which of the following waves have the maximum wave length ?

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  13. If mu(E ) and u(B) be the time average of the electric and magnetic fi...

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  14. An electromagnetic radiation has an energy 14.4keV. To which region of...

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  15. The frequency of X - rays, gamma - rays and Ultra­violet rays are resp...

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  16. A lamp radiates power Po uniformly in all directions, the amplitude of...

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  17. When a low flying air craft passes over head we some times notice a sl...

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  18. If the earth had no atmosphere, the average surface temperature would ...

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  19. Ozone layer absorbs these radiations of sun

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  20. Ozone layer blocks the radiations of wave length

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