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The amplitude of an electromagnetic wave...

The amplitude of an electromagnetic wave A is a and of another B is 3a. Their frequencies are the same for the Maxwellian waves. Then

A

The energy of wave A is greater than B

B

The energy of wave A is smaller than B

C

The energy of wave A is equal to that of B

D

the given data is not sufficient to decide

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The correct Answer is:
c
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PRADEEP-ELECTROMAGNETIC WAVES-Exercise
  1. A light has a wavelength 6000Å. The energy of this light is

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  2. which of the following in not true for electromagnetic waves ?

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  3. The amplitude of an electromagnetic wave A is a and of another B is 3a...

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  4. The correct arrangement of colours in the descending order of their wa...

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  5. An electromagnetic wave consists of oscillating electric and magnetic ...

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  6. Which of the following electromagnetic waves has smaller wavelength ?

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  7. The waves used in telecommunication are

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  8. .........was considered as a father of wireless communication.

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  9. A current which comes into play in a region where the electric field i...

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  10. The electric lines of force............. From continuous closed path w...

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  11. The nature of electromagnetic wave is-

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  12. The velocity of electromagnetic waves in free space can be given by re...

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  13. The velocity of electromagnetic waves depends entirely on the ...........

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  14. The force exerted by electromagnetic wave on unit area of the surface ...

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  15. If a portion of elctromagnetic wave of energy U is propaging with spee...

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  16. The cross product vecExxvecB (where vecE =electric field vector and ve...

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  17. The ratio of omega//k for a travelling wave (where omega is the angula...

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  18. The orderly distrubution of electromagnetic radiations according to th...

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  19. The electromagnetic wave is of frequency range from 5xx10^5 Hz to 10^...

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  20. The ultraviolet rays were discovered by .......... in ..........

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