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The photoelectric effect proves that lig...

The photoelectric effect proves that light consists of

A

Photons

B

Electrons

C

Electromagnetic waves

D

Mechanical waves

Text Solution

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The correct Answer is:
A
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Assertion: Photoelectric effect proves the particle nature of light. Reason: Photoemission starts as soon as light is incident on the metal surface, provided frequency of incident light is greater than or equal to the threshold frequency.

Which element will exhibit the photoelectric effect with light of the longest wavelength?

Laws Of Photoelectric Effect

NARAYNA-DUAL NATURE OF RADIATION AND MATTER-C. U. Q
  1. When green light is incident on a certain metal surface, electrons are...

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

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  3. The photoelectric effect proves that light consists of

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

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

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

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

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

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

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

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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 metal having work functions hc//la...

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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 is

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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 photo electrons emitted from the surface of sodium metal are

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  18. The necessary condition for photo electric emission is

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  19. At stopping potential, the photo electric current becomes

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  20. In photoelectric effect, stopping potential depends on

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