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Sodium surface is illuminated with ultra...

Sodium surface is illuminated with ultraviolet light and visible radiation successively and the stopping potentials are determined. Then the potential

A

more with visible light

B

more with ultraviolet light

C

varies randomly

D

None of these

Text Solution

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The correct Answer is:
B
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NARAYNA-DUAL NATURE OF RADIATION AND MATTER-C. U. Q
  1. The maximum energy of the electrons released in photocell is independe...

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  2. X-rays are used to irradiate sodium and copper surfaces in two separat...

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

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  4. If the work function of a metal is 'phi' and the frequency of the inci...

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  5. If E and P are the energy and the momentum of a photon respectively th...

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  6. In photoelectric emission, the energy of the emitted electron is

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  7. A laser beam of output power P consists only of wavelength lambda. If ...

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  8. In photoelectric effect, which of the following property of incident l...

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  9. Photo electric effect can be explained only by assuming that light

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  10. When green light is incident on a certain metal surface, electrons are...

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  11. The energy of a photon is E = hv and the momentum of photon p = (h)/(l...

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  12. The photoelectric effect proves that light consists of

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

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

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

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

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

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

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  19. The slope of frequency of incident light and stopping potential for a ...

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

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