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The ozone layer is earth's atmosphere is...

The ozone layer is earth's atmosphere is crucial for human survival because it

A

has ions

B

reflects radio signals

C

reflects ultraviolet rays

D

reflects infra red rays

Text Solution

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The correct Answer is:
C
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NARAYNA-ELECTROMAGNETIC WAVES -C.U.Q
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  2. The zone of atmosphere in which the ozone layer is

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  3. The ozone layer is earth's atmosphere is crucial for human survival be...

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  4. The frequency from 3xx10^(9) Hz to 3 xx10^(10) Hz is

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  5. The frequency range of 3 MHz to 30 MHz is used for

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  6. The AM range of radiowaves have frequency

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  7. Select wrong statement from the following for EMW

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  8. The waves related to tele communication are

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  9. Which of the following wavelength falls in X - ray region

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  10. An electromagnetic wave in vacuum has the electric and magnetic field ...

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  11. The nature of electromagnetic wave is-

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  12. The frequencies of X-rays, gamma-rays and ultraviolet rays are respect...

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  13. Electromagnetic radiation of frequency 3 xx 10^(5) MHz can be produce...

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  14. Maxwell’s equations describe the fundamental laws of

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  15. Which of the following statements is not correct ?

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  16. Radio waves and visible light in vacuum have

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  17. Energy stored in electromagnetic osicllations is in the form of

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  18. Which of the following is not an electromagnetic wave?

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  19. Total energy of EM waves in free space is given by

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  20. Which of the following waves have the maximum wavelength?

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