Home
Class 12
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
Saturation current is inversely proportional to the square of distance of cathode from point source.
Promotional Banner

Topper's Solved these Questions

  • PHOTOELECTRIC EFFECT

    CENGAGE PHYSICS|Exercise Multiple Correct|10 Videos

  • PHOTOELECTRIC EFFECT

    CENGAGE PHYSICS|Exercise Linked Comprehension|44 Videos

  • PHOTOELECTRIC EFFECT

    CENGAGE PHYSICS|Exercise Subjective|16 Videos

  • NUCLEI

    CENGAGE PHYSICS|Exercise QUESTION BANK|59 Videos

  • RAY OPTICS

    CENGAGE PHYSICS|Exercise DPP 1.6|12 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-

CENGAGE PHYSICS-PHOTOELECTRIC EFFECT-Single Correct
  1. The work function for tungsten and sodium are 4.5 eV and 2.3 eV respec...

    Text Solution

    |

  2. In a series of photoelectric emission experiments on a certain metal s...

    Text Solution

    |

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

    Text Solution

    |

  4. Let p and E denote the linear momentum and energy of a photon. If the ...

    Text Solution

    |

  5. Light from a hydrogen tube is incident on the cathode of a photoelectr...

    Text Solution

    |

  6. The photoelectric threshold for some material is 200 nm. The material ...

    Text Solution

    |

  7. The human eye can barely detect a yellow lings (lamda=6000A) that deli...

    Text Solution

    |

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

    Text Solution

    |

  9. An electron is accelerated through a potential difference of 200 volts...

    Text Solution

    |

  10. A photoelectric cell is connected to a source of variable potential di...

    Text Solution

    |

  11. Photoelectric work- function of a metal is 1 eV. Light of wavelength l...

    Text Solution

    |

  12. If a surface has a work function 4.0 eV, what is the maximum velocity ...

    Text Solution

    |

  13. An image of the sun is formed by a lens, of the focal length of 30 cm,...

    Text Solution

    |

  14. A modern 200 W sodium street lamp emits yellow light of wavelength 0.6...

    Text Solution

    |

  15. The work function of a metallic surface is 5.01 eV. The photoelectrons...

    Text Solution

    |

  16. An electron of mass me and a proton of mass mp are accelerated through...

    Text Solution

    |

  17. A material particle with a rest mass mo is moving with a velocity of l...

    Text Solution

    |

  18. If a photocell is illuminated with a radiation of 1240 A, then stoppin...

    Text Solution

    |

  19. Silver has a work function of 4.7 eV. When ultraviolet light of wavele...

    Text Solution

    |

  20. The equation E=pc is valid

    Text Solution

    |