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The ozone layer is present in...

The ozone layer is present in

A

troposphere

B

stratosphere

C

ionosphere

D

mesosphere

Text Solution

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The correct Answer is:
b
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The zone of atmosphere in which the ozone layer is present is called:

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The ozone layer was discovered in 1913 by

The 'thickness' of Stratospheric Ozone layer is measured in/on:

Assertion (A) : The decline in the thickness of the ozone layer over restricted area is called ozone hole. Reason (R) : An Ozone hole is really not a hole but rather a thinning of the ozone layer in the stratosphere.

Explain why the ozone layer is not affected by the solar wind.

Ozone layer absorbs……

The Ozone layer of troposphere is called:

FULL MARKS-COMMUNICATION SYSTEMS-ADDITIONAL QUESTIONS(Multiple Choice Questions)
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  2. In communication with help of antenna if height is doubled, then the r...

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  3. A laser beam is used for carrying out surgery, because it

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  4. The ozone layer is present in

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  5. Ozone layer blocks the radiation of wavelength

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  6. What is the cause of Green house effect?

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  7. Ozone layer in atmosphere is useful, because it

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  8. Biological importance of ozone layer is

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  9. The particular used for transmission of light signal through optical ...

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  10. LANDSAT series of satellites move in near polar orbits at an altitude ...

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  11. Which of the following is not a transducer?

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  12. If a radio receiver amplifies all the signal frequencies equally well,...

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  13. The sky wave propagation is suitable for radio waves of frequency

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  14. Refractive index of ionosphere is

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  15. When radio waves pass through ionosphere phase difference between spac...

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  16. Advantages of optical fibres are

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  17. A TV tower has a height of 100 m. What is the maximum distance upto wh...

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  18. Modem is a device which performs

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  19. Which of the following device is full duplex?

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  20. For a radio signal to travel 150 km from the transmitter to a receivin...

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