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A photon incident on a metal of photo el...

A photon incident on a metal of photo electric work function 2 ev produced photo electron of maximum kinetic energy 2 ev. The wave length associated with the photon is

A

`6200A^(@)`

B

`3100A^(@)`

C

`9300A^(@)`

D

`2000A^(@)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-EXERCISE=II
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  7. The work function of potassium is 2.0 eV. When it is illuminated by li...

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  9. When radiation of the wavelength lamdais incident on a metallic surfac...

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  10. K(1) and K(2) are the maximum kinetic energies of the photo electrons ...

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  17. A photon of energy .E. ejects a photoelectron from a metal surface who...

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