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The ozone layer absorbs...

The ozone layer absorbs

A

Infrared radiations

B

Utraviolet radiations

C

`X`-rays

D

`gamma`-rays

Text Solution

Verified by Experts

The correct Answer is:
B
Ozone layer absorb most of the `UV` rays emitted by sun.
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Practically ozone layer absorbs the radiation of wavelength

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The ozone layer forms natural by:

A2Z-ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM -Section D - Chapter End Test
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  5. An amplitude modulated wave is modulated to 50%. What is the saving in...

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  6. The audio signal used to modulate 60 sin (2pixx10^(6)t) is 15 sin 300 ...

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  7. The total power content of an AM wave is 900 W. For 100% modulation, t...

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  8. In a diode AM- detector, the output circuit consist of R=1 k Omega and...

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  9. Mean optical power launched into an 8 km fibre is 120 muW and mean out...

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  10. A sky wave with a frequency 55 MHz is incident on D-region of earth's ...

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  11. The electromagnetic wave of frequency 2 MHz to 30 MHz are

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  12. Laser light is considered to be coherent because it consists of

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  13. The phenomenon by which light travels in an optical fibres is

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  16. Consider telecommunication through optical fibres. Which of the follow...

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  17. Which of the following statement is wrong?

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  18. Pick out the longest wavelength from the following types of radiation

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