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Emission of electrons in photoelectric e...

Emission of electrons in photoelectric effect is possible, if

A

metal surface is highly polished

B

the incident light is of sufficiently high intensity

C

the light is incident at right angles to the surface

D

the incident light is of sufficiently low wavelenght

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The correct Answer is:
D
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NARAYNA-DUAL NATURE OF RADIATION AND MATTER-C. U. Q
  1. In a photoelectric experiment , the maximum velocity of photoelectric ...

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  2. Number of electrons emitted by a surface exposed to light is directly ...

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

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  4. When orange light falls on a photo sensitive surface the photocurrent ...

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  5. When the amplitude of the light wave incident on a photometal sheet is...

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  6. Which of the following is dependent on the intensity of incident radia...

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

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  8. When ultraviolet radiation is incident on a surface , no photoelectron...

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  9. The function of photoelectric cell is

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

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  11. Though quantum theory of light can explain a number of phenomena obser...

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  12. When an X-ray photon collides with an electrons and bounces off, its n...

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

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  14. De- Broglie wavelenght depends on

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  15. The de broglie wavelength associated with a particle of mass m, moving...

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  16. The rest mass of a photon of wavelength lambda is

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  17. The mass of a photon in motion is given its frequency = x)

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  18. Which of the following particles - neutron, proton, electron and deute...

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  19. The momentum of a proton is p. the corresponding wavelength is

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  20. A wave is associated with matter when it is

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