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The photoelectron of work function 3.1 e...

The photoelectron of work function 3.1 eV is emitted with velocity `2.5 xx 10^(6)` m/s . The frequency of incident radiation is

A

`2.5 xx 10^(14)` H z

B

`5.25 xx 10^(14)` Hz

C

`5.1 xx 10^(15)` Hz

D

`10.5 xx 10^(14) ` Hz

Text Solution

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The correct Answer is:
C
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NIKITA PUBLICATION-ELECTRONS AND PHOTONS -MCQs
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  2. An electron of work function 1.4 eV is emitted with a velocity 5 xx 10...

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  3. The photoelectron of work function 3.1 eV is emitted with velocity 2.5...

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  4. When an inert gas is filled in the place vacuum in a photo cell , then

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  5. In photoelectric cell ,the electrons leave the surface with maximum en...

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  6. The stopping potential for the photoelectrons , from a photocell , is ...

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  7. The maximum number of the photoelectrons , released in a photocell , i...

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  8. The use of photoelectric cell in cinema depends upon the fact that the...

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  9. Photoelectric cell is a device in which the light energy is converted ...

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  10. The maximum energy of the electrons released in photocell is independe...

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  11. The cathode of a photoelectric cell is changed such that the work func...

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  12. A milliammeter in the circuit of a photoelectric cell measures

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  13. A lamp is placed at a distance of 16 cm, from a photocell and the curr...

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  14. Which of the following graphs shows relation between maximum K.E. and ...

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  15. Light from a hydrogen tube is incident on the cathode of a photoelectr...

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  16. A wave is associated with matter when it is

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  17. The amount of energy radiated by a body depends upon

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  18. The rest mass of the photon is

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  19. If the energy of a photon is 10 eV , then its momentum is

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  20. Of the following properties the photon does not possess

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