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Choose the only wrong statement from the...

Choose the only wrong statement from the following about electromagnetic waves

A

are transverse

B

travel with same speed in all media

C

travel with the speed of light in spac

D

are produced by accelerating charge

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ELECTROMAGNETIC WAVES-EXERCISE -IA
  1. The electromagnetic waves do not transport

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  2. Electromagnetic waves are transverse is nature is evident by

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  3. Choose the only wrong statement from the following about electromagnet...

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  4. Which of the following statement is true ?

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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 rays has minimum frequency?

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  7. Which of the following are not electromagnetic waves? (i) alpha-rays...

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  8. Which of the following electromagnetic waves has smallest wavelength?

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  9. Which of the following waves has the longest wavelength?

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  10. If u(E ) and u(B) be the time average of the electric and magnetic fie...

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  11. An electromagnetic radiation has an energy 14.4eV. To which region of ...

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  12. The frequency of gamma-rays, X-rays and ultraviolet rays are a,b,c and...

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  13. Assume that a lamp radiates power P uniformly in all directions. The m...

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  14. When a low flying aeroplane passes over head, we sometimes notice a sl...

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  15. A : If the earth did not have an atmosphere, its average surface temp...

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  16. Ozone layer protestes the living cells from

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  17. Ozone layer blocks the radiations of wave length: (1.) less than 3 × ...

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  18. Practically ozone layer absorbs the radiation of wavelength

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  19. A radiation of energy E falls normally on a perfectly reflecting surfa...

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  20. The type of electromagnetic wave propagation which is effected as a re...

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