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Heat radiations propagate with the speed...

Heat radiations propagate with the speed of

A

`alpha`-rays

B

`beta`-rays

C

light waves

D

sound waves

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The correct Answer is:
C
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RESONANCE ENGLISH-ELECTRO MAGNETIC WAVES-Exercise 3
  1. Considering the case of a parallel plate capacitor being charged, show...

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  2. Write the mathmatical equation of Ampere-maxwell law.

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  3. Identify the constituent radiations of electromagnetic spectrum which ...

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  4. Displacement current is set up between the plates of a capacitor when ...

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  5. Which of the following are not electromagnetic waves? (i) alpha-rays...

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  6. If lambda(v) , lambda(x) and lambda(m) represent the wavelength of v...

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  7. The frequence of a light wave in a material in 2xx10^(14) Hz and wavel...

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  8. The electric and magnetic field of an electromagnetic wave are:-

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  9. The velocity of electromagnetic radiation in a medium of permittivity ...

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

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  11. The electric field of an electromagnetic wave in free space is given b...

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  12. The velocity of all radio waves in free space is 3xx10^(8) m//s. The f...

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  13. Which of these statements is false ?

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  14. Infrared spectrum lies between

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  15. A man can take pictures of those objects which are not fully visible t...

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  16. Arrange the following electromagnetic radiations in increasing order o...

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  17. Maxwell's equation describe the fundamental laws of

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  18. Heat radiations propagate with the speed of

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  19. The curve drawn between velocity and frequency of a photon in vacuum w...

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  20. Which rays are not the portion of electro-magnetic spectrum?

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