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The air of earth's atmosphere responsi...

The air of earth's atmosphere responsible for absorbing a large portion of ultraviolet radiations by the sun is

A

mesosphere

B

troposphere

C

ozone layer

D

ionosphere

Text Solution

Verified by Experts

The correct Answer is:
C
Ozone layer absorbs major portion of ultraviolet radiations coming from sun.
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Explore conceptually related problems

Harmful ultraviolet radiations from the sun causes:

Ultraviolet radiations is absorbed by:

Which one of the following gases present in the upper atmosphere cuts off a major portion of ultraviolet radiation of the sun from reaching the earth?

A : Atmosphere plays an important role in maintaining the heat balance on earth. R : Atmosphere absorbs a portion of electromagnetic readiation coming from the sun and transmits near UV, visible and near IR radiation.

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-COMMUNICATION SYSTEM-Exercise 1
  1. Space wave propagation is used in (a) microwave communication (b) ...

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  2. Ozone layer above earth's atmosphere will not

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  3. The air of earth's atmosphere responsible for absorbing a large port...

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  4. Match the following column I and Column II

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  5. A radiowave that travels in a straight line from the transmitting ante...

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  6. In process of amplitude modulation of signal to be transmitted . S...

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  7. In amplitude modulation, carrier wave frequencies are:

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  8. In a detector, output circuit consists of R = 10kOmega and C = 100 p F...

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  9. For efficient transmission, transmitting antenna has length comparable...

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  10. A radio transmitter radiates 1 kW power at a wavelength 198.6 m. How m...

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  11. A 100 m long anteena is mounted on a 500 m tall building. The complex ...

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  12. A 1000 kHz carrier wave is modulated by an audio signal of frequency r...

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  13. In frequency modulation

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  14. In frequency modulated wave

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  15. A speech signal of 3 kHz is used to modulate a carrier signal of frequ...

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  16. A transducer , in communication system in a device that

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  17. In an amplitude modulated wave , the maximum amplitude is 10V and th...

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  18. Which of the following is not transducer?

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  19. An oscillator is producing FM waves of requency 2kHz with a variation ...

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  20. A modulating signal is a square wave as shown in the following figur...

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