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Which of the following are not electroma...

Which of the following are not electromagnetic waves?

A

Cosmic rays

B

`gamma`-rays

C

Infrared

D

X-rays

Text Solution

Verified by Experts

The correct Answer is:
A
Cosmic rays are not electromagnetic waves because electromagnetic waves are produced by accelerating charge particle.
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PHYSICS WALLAH-ELECTROMAGNETIC WAVES-LEVEL - 2
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  2. Greenhouse effect keeps the earth surface

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  3. Which of the following are not electromagnetic waves?

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  4. Which of the following radiation form the part of electromagnetic spec...

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  5. Which of the following electromagnetic radiation has largest wavelengt...

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  6. An accelerated electron would produce

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  7. In an electromagnetic wave, the electric and magnetising fields are 10...

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  8. In an apparatus the electric field was found to oscillate with an ampl...

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  9. The ozone layer absorbs

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  10. A micro-wave and an ultrasonic sound wave have the same wavelength. Th...

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  11. The electromagnetic wave travel with a velocity

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  12. In a certain region of space electric field E and magnetic field B are...

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

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  14. Maxwell in his famous equations of electro-magnetism introduced the co...

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  15. Sodium lamps are used in foggy conditions because

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  16. The frequency of a light wave in a material is 2xx10^(14)Hz and wavele...

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  17. The velocity of electromagnetic radiatior in a medium of permittivity ...

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  18. The electric field part of an electromagnetic wave in a medium is rep...

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  19. In a plane electromagnetic wave, the electric field oscillates sinnuso...

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  20. Which of the following waves does not require any medium for it...

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