Home
Class 11
PHYSICS
A point source causes photoelectric effe...


A point source causes photoelectric effect from a small metal plate. Which of the curves in Fig. may represent the saturation photo-current as a function of the distance between the source and the metal?

A

A

B

B

C

C

D

D

Text Solution

Verified by Experts

The correct Answer is:
D

`Iprop I prop 1/("distance"^(2)`
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    RESONANCE|Exercise Exercise|19 Videos
  • CALORIMETRY

    RESONANCE|Exercise Exercise|19 Videos

Similar Questions

Explore conceptually related problems

A point source causes photoelectric effect from a small metal plate. Which of the following curves may represent the saturation photocurrent as a function of the distance between the source and the metal?

A point source of light is used in an experiment on photoelectric effect . Which of the following curves best represents the variation of photo current (i) with distance (d) of the source from the emitter ?

Threshold frequency for photoelectric effect from a metal surface of work function 4.5 eV is

A point source of light is used in a photoelectric effect. If the source is removed farther from the emitted metal, the stopping potential

The anode plate in an experiment on photoelectric effect is kept vertically above the cathode plate. Light source is put on and a saturation photocurrent is recorded. An electric field is switched on which has vertically downward direction

The figure shown represents the electric field between two large metal plates. Which of the graphs given in figure represents the force on a positve charge as it moves from point P towards plate B?

The collector plate in an experiment on photoelectric effect is kept vertically above the emitter plate . Light source is put on and a saturation photo current is recorded . An electric field is switched on which has a vertically downward direction . Then

The collector plate in an experiment of photoelectric effect is kept vertical above the emitter plate. Light source is put on, and a saturation photocurrent is recorded. An electric field is switched on which has a vertically downward direction-

RESONANCE-ATOMIC PHYSICS-Exercise
  1. A monochromatic beam of electromagnetic radiation has an intensity of ...

    Text Solution

    |

  2. Yellow light of 557 nm wavelength is incident on a cesium surface. It ...

    Text Solution

    |

  3. A point source causes photoelectric effect from a small metal plate. W...

    Text Solution

    |

  4. Let (nr) and (nb) be respectively the number of photons emitted by a r...

    Text Solution

    |

  5. When light of intensity 1W//m^2 and wavelength 5xx10^(-7)m is incident...

    Text Solution

    |

  6. If we go on increasing the wavelength of light incident on a metal sur...

    Text Solution

    |

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

    Text Solution

    |

  8. Light of wavelength 5000 Å falls on a sensitive plate with photoelectr...

    Text Solution

    |

  9. The photoelectric work function for a metal surface is 4.125 eV. The c...

    Text Solution

    |

  10. The wavelength of a photon and the deBroglie wavelength of an electron...

    Text Solution

    |

  11. A proton and an alpha - particle are accelerated through same potentia...

    Text Solution

    |

  12. Electron microscope works on the principle of

    Text Solution

    |

  13. What voltage must be applied to an electron microscope to produce elec...

    Text Solution

    |

  14. Linear momenta of a proton and an electron are equal. Relative to an e...

    Text Solution

    |

  15. Momentumof gamma - ray proton of energy 3 keV in kg-m/s will be

    Text Solution

    |

  16. Wrong statement in connection with Davisson-Germer experiment is

    Text Solution

    |

  17. In Davisson-Germer experiment the relation between the angle of diffra...

    Text Solution

    |

  18. In Davisson-Germer experiment an electron beam accelerated with 54 vol...

    Text Solution

    |

  19. Object are exposed to the X-rays in a dark room. They will appear

    Text Solution

    |

  20. The intensity of an X-ray beam reduces to 36.8% of its initial intensi...

    Text Solution

    |