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Biological importance of Ozone layer is...

Biological importance of Ozone layer is

A

It stops ultraviolet rays

B

Ozone rays reduce green house effect

C

Ozone layer reflects radio waves

D

Ozone layer controls `O_(2) //H_(2)` radio in atmosphere

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Verified by Experts

The correct Answer is:
A
It stops ultraviolet rays
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ERRORLESS-WAVE OPTICS AND ELECTROMAGNETIC THEORY-NCERT BASED QUESTIONS (EM Waves )
  1. Which of the following are not electromagnetic waves?

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  2. Which of the following shows green house effect?

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  3. Biological importance of Ozone layer is

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  4. Radio wave diffract around building although light waves do not. The r...

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  5. Energy stored in electromagnetic osicllations is in the form of

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  6. Heat radiations propagate with the speed of

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

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

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  9. If lambdav, lambdax and lambdam represents the wavelength of visible...

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  10. The pressure exerted by an electromagnetic wave of intensity l ("watt/...

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  11. Which of the following is not an electromagnetic wave?

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  12. The wavelength of the matter wave is independent of

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  13. An electromagnetic wave is propagating along Y-axis. Then

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

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  15. The wavelength of the short radio waves, microwaves, ultraviolet waves...

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  16. Light is an electromagnetic wave. Its speed in vacuum is given by the ...

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  17. The speed of electromagnetic wave in vacuum depends upon the source of...

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  18. In an apparatus the electric field was found to oscillate with an ampl...

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  19. The electromagnetic wave travel with a velocity

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

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