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The layer that adsorbs largest proportio...

The layer that adsorbs largest proportion of UV rays is

A

Ozone layer

B

troposphere

C

ionosphere

D

neosphere

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CHETANA PUBLICATION-ELECTROMAGNETIC WAVES AND COMMUNICATON SYSTEM-EXERCISE
  1. The antenna behaves as resonant circuit only when its length is..........

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  2. The difference between the upper and lower frequency limits of the sig...

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  3. The layer that adsorbs largest proportion of UV rays is

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  4. Speed of electromagnetic waves is given

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  5. The lower layer of the earth's atmosphere is called.

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  6. Which of the following is NOT a part of electromagnetic spectrum?

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  7. Operators working on X-ray equipment have a chance of getting skin dis...

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  8. The electromagnetic spectrum contains different electromagnetic waves ...

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  9. In T.V. and V.C.R. remote control uses

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  10. The natural source of Ultraviolet rays is

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  11. Radio waves and visible light in vacuum have

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  12. To induce an e.m.f. in the coil

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  13. Which of the following waves are not electromagnetic waves?

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  14. Electromagnetic waves were first produced in the laboratory by

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  15. The.....% of the solar radians are infrared in nature.

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  16. Ultraviolet rays can NOT pass through

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  17. The air in the stratosphere contains

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  18. Which of the following statements is NOT CORRECT?

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  19. The radio waves reflected from.......are called space wave.

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  20. The special infrared photograph of the body to see diseased parts is c...

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