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Ozone layer is atmosphere exist at the h...

Ozone layer is atmosphere exist at the height of

A

20 km

B

50 km

C

120 km

D

150 km

Text Solution

Verified by Experts

The correct Answer is:
B
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RESONANCE-ELECTRO MAGNETIC WAVES-Exercise
  1. Greenhouse effect keeps the earth surface

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  2. Ozone layer exist in

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  3. Ozone layer is atmosphere exist at the height of

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  4. The ozone layer absorbs

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  5. Practically ozone layer absorbs the radiation of wavelength

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  6. An electromagnetic radiation of frequency v, wavelength lamda, travell...

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  7. Red light differs from blue light in its

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  8. The electromagnetic waves used in the telecommunication are

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

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  10. Finger prints on a piece of paper may be detected by sprinkling floure...

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  11. The displacement current flows in the dielectric of a capacitor when t...

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  12. Which of the following are not electromagnetic waves ?

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  13. if lamda(v'),lamda(x) and lamda(m) represent the wavelengths of visibl...

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  14. The frequency of a light wave in a material is 2xx10^(14)Hz and wavele...

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  15. The electric and magnetic field of an electromagnetic wave is

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  16. The velocity of electromagnetic radiatior in a medium of permittivity ...

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  17. The electric field part of an electromagnetic wave in a medium is repr...

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  18. Which of the following statement is false for the properties of electr...

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  19. The electric field on an electromagnetic wave in free space is given b...

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  20. The velocity of all radiowaves in free space is 3xx10^(8),//s, the fre...

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