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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

`beta`-rays

D

`X`-rays

Text Solution

Verified by Experts

The correct Answer is:
c
`beta`-rays are beam of fast electron
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A2Z-ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM -AIPMT/NEET Questions
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  3. Which of the following are not electromagnetic waves ?

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  4. The electric and magnetic field of an electromagnetic wave is

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

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  6. The electric field part of an electromagnetic wave in a medium is repr...

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  7. Which of the following statement is false for the properties of electr...

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  8. The electric and the magnetic field, associted with an electromagnetic...

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  9. The dereasing order of wavelength of infrared, microwave, ultraviloet ...

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  10. The electric field associted with an electromagnetic wave in vacuum is...

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  11. The ratio of amplitude of magnetic field to the amplitude of electric ...

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  12. Light with an enargy flux of 25xx10^(4) Wm^(-2) falls on a perfectly r...

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  13. A radiation of energy E falls normally on a perfctly refelecting surfa...

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  14. The energy of the electromagetic wave is of the order of 15 keV. To wh...

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  15. Out of the following options which one can be used produce a propagati...

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  16. A 100 Omega resistance and a capacitor of 100 Omega reactance are conn...

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  17. In an electromagnetic wave in free space the root mean square value of...

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  18. An em wave is propagating in a medium whith a velocity vecv=vhati. The...

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