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A light has a wavelength 6000Å. The ene...

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

A

`5eV`

B

`2.07eV`

C

`1.07eV`

D

`0.207eV`

Text Solution

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The correct Answer is:
b
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PRADEEP-ELECTROMAGNETIC WAVES-Exercise
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  2. The velocity of light in vacuum can be changed by changing

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

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

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

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

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

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

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  9. The waves used in telecommunication are

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

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

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

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  13. The nature of electromagnetic wave is-

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

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

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

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

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

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

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

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