Home
Class 12
PHYSICS
Define the terms : Work function....

Define the terms :
Work function.

Text Solution

Verified by Experts

The minimum negative potential of the anode for which all photo electrons are prevented from reaching the anode is called the stopping potential.Stopping potential is directly proportional to the frequency above the threshold frequency.
Promotional Banner

Topper's Solved these Questions

  • SUPPLEMENTARY EXAMINATION QUESTION PAPER (WITH ANSWERS) JULY-2017

    SUBHASH PUBLICATION|Exercise PART-D|13 Videos

  • WAVE OPTICS

    SUBHASH PUBLICATION|Exercise NUMERICALS WITH SOLUTIONS|32 Videos

Similar Questions

Explore conceptually related problems

Define the terms : Mole fraction.

Define the terms : a) Condensation b) Latent heat of vapourization.

Define the terms a) Transcription b) Translation

Define the terms : (i) Declination (ii) Inclination or Dip.

Define the terms : unit vector and equal vectors.

Define the term ''objective function'' in an L.P.P.

Define the terms, Bond order

Define the terms: Octet Rule

SUBHASH PUBLICATION-SUPPLEMENTARY EXAMINATION QUESTION PAPER JULY 2017-QUESTION
  1. Write Maxwell's equation for the speed of electromagnetic waves and ex...

    Text Solution

    |

  2. What are de-Brogli Waves ? How does the de-Broglie wavelength vary wit...

    Text Solution

    |

  3. Draw the block diagram of generalised communication system.

    Text Solution

    |

  4. Obtain the relation between electric field and electric potential due ...

    Text Solution

    |

  5. Derive the relation vec(j)=sigmavec(E) with terms which has usual mean...

    Text Solution

    |

  6. How can a moving coil galvanometer be converted into a voltmeter? Expl...

    Text Solution

    |

  7. Mention any three application of eddy currents.

    Text Solution

    |

  8. Define critical angle. Write two conditions for total internal reflect...

    Text Solution

    |

  9. Write any three difference between interference and diffraction.

    Text Solution

    |

  10. Define the terms : Threshold frequency

    Text Solution

    |

  11. Define the terms : Work function.

    Text Solution

    |

  12. Define the terms : Stopping potential.

    Text Solution

    |

  13. Explain the use Zener diode as a voltage regulator.

    Text Solution

    |

  14. Derive an expression for electric field due to an electric dipole at a...

    Text Solution

    |

  15. Obtain an expression for the force between two straight parallel condu...

    Text Solution

    |

  16. Show that a current carrying solenoid is equivalent to a bar magnet.

    Text Solution

    |

  17. Derive th lens maker's formula.

    Text Solution

    |

  18. Derive an experession for the total energy of an electron in stationar...

    Text Solution

    |

  19. What is amplification? With a circuit diagram, explain the working of ...

    Text Solution

    |

  20. In a parallel plate capacitor with air between the plates, each has an...

    Text Solution

    |