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Value of stopping potential depends on……...

Value of stopping potential depends on……. Of incident light.

A

frequency of incident radiation

B

intensity of incident radiation

C

number of incident photon

D

number of photo-electron emitted

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A
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A:Value of stopping potential depend on frequency of incident light and independent of intensity of light. R:Maximum kinetic energy of photoelectron is proportional to stopping potential .

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When light of wavelength lambda is incident on a metal surface, stopping potential is found to be x. When light of wavelength nlambda is incident on the same metal surface, stopping potential is found to be (x)/(n+1) . Find the threshold wavelength of the metal.

Energy corresponding to threshold frequency of metal is 6.2 eV.For given radiation stopping potential is 5 V then incident radiation will be in …region.

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KUMAR PRAKASHAN-DUAL NATURE OF RADIATION AND MATTER-Section-D (multiple choice questions (MCQs)
  1. When monochromatic source is kept at distance of 0.2 m from photocell,...

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  2. Maximum speed of electron emitted from metal surface is 5xx10^(6 )ms^(...

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  3. The work function of a metal surface is 4.2 eV. The maximum wavelength...

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  4. Threshold frequency for metal surface is 4xx10^(14) Hz.When radiation ...

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  5. On metal surface radiation of 2000Å and 5000 Å is incident sequentiall...

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  6. Slope of V(0)toV graph shows…..

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  7. Slope of V(0)etoV represent……

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  8. ……potentail on collector w.r.t. emitter for which photo-electric curre...

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  9. In condition of stopping potential value of photo-electric current wil...

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  10. Value of stopping potential depends on……. Of incident light.

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  11. When metal surface with 2.1 eV work function is irridated with photon ...

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  12. When photon of v frequency os incident on photo sensitive surface with...

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  13. ……..cannot be explained by wave theory of light.

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  14. Photo-electric effect show …….nature of radiation.

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  15. Which of the following has same dimension as that of planck's constant...

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  16. Figure shows graph of stopping potential v frequency in experiment of ...

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  17. For photo senstive surface A and B graph of stopping potential versus ...

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  18. In given graph if V(02)gtV(01) then…….

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  19. Graph shown in figure is the relation between photo current (i) versus...

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  20. According to Einstein's equation of photo-electric effect which of the...

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