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Which of the following waves have the ma...

Which of the following waves have the maximum wave length ?

A

x rays

B

I.R rays

C

UV rays

D

radio waves

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-ELECTROMAGNETIC WAVES-EXERCISE -IA
  1. Which of the following rays are not electromag­netic wave ?

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  2. Which one of the following electromagnetic radiations have the smalles...

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  3. Which of the following waves have the maximum wave length ?

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  4. If mu(E ) and u(B) be the time average of the electric and magnetic fi...

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  5. An electromagnetic radiation has an energy 14.4keV. To which region of...

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  6. The frequency of X - rays, gamma - rays and Ultra­violet rays are resp...

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  7. A lamp radiates power Po uniformly in all directions, the amplitude of...

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  8. When a low flying air craft passes over head we some times notice a sl...

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  9. If the earth had no atmosphere, the average surface temperature would ...

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  10. Ozone layer absorbs these radiations of sun

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  11. Ozone layer blocks the radiations of wave length

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  12. Ozone layer absorbs all such radiation whose wavelengths are

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  13. A radiation of energy E falls normally on a perfectly reflecting surfa...

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  14. The type of electromagnetic wave propagation which is effected as a re...

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  15. X-rays are known as to be electromagnetic radi­ation. Therefore the X-...

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  16. The altitude of the ozone layer in the atmosphere and the ‘type’ of th...

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  17. Four atmospheric layers are given below, namely (i) stratosphere (ii) ...

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  18. Infrared radiation is detected by

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  19. Finger prints on a piece of paper may be detected by sprinkling fluore...

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  20. The atmosphere above the height of 80 km is called

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