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Speed of electromagnetic waves is the sa...

Speed of electromagnetic waves is the same

A

for all wavelengths

B

for all intensities

C

for all frequencies

D

in all media

Text Solution

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The correct Answer is:
b
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PRADEEP-ELECTROMAGNETIC WAVES-Exercise
  1. Speed of electromagnetic waves is the same

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  2. In a plane electromagnetic wave, the electric field oscillates sinusoi...

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  3. Maxwell's equations related to study of electromagnetic waves describe...

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  4. Microwaves are the electromagnetic waves with frequency, in the range ...

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  5. One cannot cannot see through fog, because

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  6. The velocity of light in vacuum can be changed by changing

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  7. A light has a wavelength 6000Å. The energy of this light is

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

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

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

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

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

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  13. The waves used in telecommunication are

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

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

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

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  17. The nature of electromagnetic wave is-

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

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

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

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