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The ozone layer in the atmosphere absorb...

The ozone layer in the atmosphere absorbs

A

only the radiowaves

B

only the visible light

C

only the Y rays

D

X - rays and ultraviolet rays

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The correct Answer is:
D
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NIKITA PUBLICATION-COMMUNICATION SYSTEMS-Multiple Choice Questions (Space communication )
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  2. The absorption of radiowaves by the atmosphere depends upon

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  3. The ozone layer in the atmosphere absorbs

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  4. Out of the following the radiation with lowest frequency is

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  5. Height of troposphere from ground surface is …… km.

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  6. A man can take pictures of those objects which are not fully visible t...

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  7. Troposphere reflect the waves having frequency from ……

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  8. Clouds and water vepours are present in the layer of atmosphere calle...

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  9. The EM waves when travel into different medium gets

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  10. Ultraviolet radiations is absorbed by:

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  11. Speed of electromagnetic waves is given

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  12. In space communication, the sound waves can be sent from one place t...

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  13. A.F.M. radio transmitter uses a tower of height 60 m for its antenna W...

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  14. The electromagnetic waves of frequency 2 MHz and 30 MHz are

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  15. Ground wave propagation is suitable for

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  16. Long distance short-wave radio broadcasting uses

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  17. When microwave signals follow the curvature of earth, this is known as...

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  18. Through which mode of propagation, the radio waves can be sent from on...

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  19. In space communcation , the information can be passed from on place ...

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  20. What will be the area of reception of the signals transmitted by the T...

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