Home
Class 12
PHYSICS
When ultraviolet radiation is incident o...

When ultraviolet radiation is incident on a surface , no photoelectrons are emitted If a second beam causes photoelectrons to be ejected, it may consist of

A

radio waves

B

infrared rays

C

visible light rays

D

X - rays

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 1 (C.W)|40 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 1 (H.W)|24 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EVALUTATE YOURSELF - 4|5 Videos

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos

  • DUAL NATURE

    NARAYNA|Exercise LEVEL-II (H.W)|17 Videos

Similar Questions

Explore conceptually related problems

When ultraviolet radiation is incident on a surface, no photoelectrons are emitted. If another beam causes photoelectrons to be emitted from the surface, it may consist of (i) radio waves (ii) infrared rays (iii) X-rays (iv) gamma rays

When light is incident on a surface, photoelectrons are emitted. For photoelectrons,

When beam of green light is incident on a surface, photo electrons are emitted. If a second beam of different frequency produces photoemission from the same surface, then it may consists of

Photoelectrons emitted from a metallic surface are

Photoelectrons are emitted by a metal surface only when

The photoelectrons emitted from a metal surface:

When the light of wavelength 400 nm is incident on a metal surface of work function 2.3 eV , photoelectrons are emitted. A fasted photoelectron combines with a He^(2+) ion to form He^(+) ion in its third excited state and a photon is emitted in this process. Then the energy of the photon emitted during combination is

When an electro-magnetic radiation is incident on the surface of metal, maximum kinetic energy of photoelectron depends on-

The number of photoelectrons emitted from a photosensitive surface

NARAYNA-DUAL NATURE OF RADIATION AND MATTER-C. U. Q
  1. Which of the following is dependent on the intensity of incident radia...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. The function of photoelectric cell is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. De- Broglie wavelenght depends on

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  15. A wave is associated with matter when it is

    Text Solution

    |

  16. An electron of mass 9.1xx10^(-31) kg and charge 1.6xx10^(-19) C is acc...

    Text Solution

    |

  17. The de Broglie wavelength of a molecules of thermal energy KT ( K is B...

    Text Solution

    |

  18. The wavelength of a proton and a photon are same. Then

    Text Solution

    |

  19. If the value Plank's constant is more than its present value. Then de ...

    Text Solution

    |

  20. The wavelength of matter waves does not depend on

    Text Solution

    |