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Insentity of light incident on a photo s...

Insentity of light incident on a photo sensitive surface is doubled. Then

A

the number of emitted electrons is tripuled

B

the number of emitted electrons is doubled

C

the `K.E.` of emitted electrons is doubled

D

the momentum of emitted electrons is doubled

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The correct Answer is:
B
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NARAYNA-DUAL NATURE-C.U.Q
  1. The energy of a photon is E = hv and the momentum of photon p = (h)/(l...

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  2. The photo electric proves that light consists of

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  3. Insentity of light incident on a photo sensitive surface is doubled. T...

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  4. A point source of light is used in a photoelectric effect. If the sour...

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  5. If the frequency of light in a photoelectric experiment is doubled the...

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  6. With the decrease in the wave length of the incident radiation the vel...

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  7. Sodium surface is illuminated with ultraviolet light and visible radia...

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  8. In photo electric effect, the slope of the straight line graph betwee...

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  9. From the graph shown, the value of work function if the stopping poten...

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  10. Draw a graph showing the variation of stopping potential with frequenc...

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  11. In an experiment of photo electric emission for incident light of 4000...

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  12. Light of wavelength lambda falls on a metal having work function hc/l...

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  13. Emission of electrons in photoelectric effect is possible, if

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  14. The work function of a metal

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  15. The process of photo electric emission depends on

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  16. The threshold wavelength of lithium is 8000 A^(0) When light of a wave...

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  17. The correct curve between the stopping potential (V) and intensity of ...

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  18. The photo electrons emitted from the surface of sodium metal are

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  19. The necessary condition for photo electric emission is

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  20. At stopping potential, the photo electric current becomes

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