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The photo electric work function of a me...

The photo electric work function of a metal is 1 eV. Light of wave length `lamda=3000A^(@)` falls on it. The velocity of emitted photo electron is approximately

A

10 m/s

B

`10^(3)` m/s

C

`10^(4)` m/s

D

`10^(6)` m/s

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The correct Answer is:
D
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AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-PRACTICE EXERCISEX
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  4. When a mono chromatic point source of light is at a distance of 0.2m f...

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  7. The photoelectric threshold wavelength for a certain metal is 4000A^(@...

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  8. What P.D. must be applied to stop the fastest photo electron emitted b...

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  9. The threshold frequency for photo electric effect for a metal surface ...

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  10. The work functions of metals A and B are in the ratio 1 : 2. If light ...

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  11. When a metal surface is illuminated by a light of wavelength 400nm and...

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  12. V(1) and V(2) are the stopping potentials for the incident radiations ...

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  13. A monochromatic light source is placed at a distance d from a metal su...

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  15. Work function of a metal is 3.0 eV. It is illuminated by a light of wa...

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  17. The threshold wavelength for emission of photoelectrons from a metal s...

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