Home
Class 12
PHYSICS
Use the same formula you employ in to ob...

Use the same formula you employ in to obtain electron speed for a collector potential of 10 MV. Do you see what is wrong? In what way is the formula to be modified?

Promotional Banner

Topper's Solved these Questions

  • UNIT TEST -07

    MODERN PUBLICATION|Exercise EXERCISE|154 Videos

  • UNIT TEST -06

    MODERN PUBLICATION|Exercise EXERCISE|461 Videos

  • UNIT TEST-05

    MODERN PUBLICATION|Exercise EXERCISE|69 Videos

Similar Questions

Explore conceptually related problems

Is the formula you employ in (a) valid for calculating radius of the path of a 20 MeV electron beam? If not, in what way is it modified?

What is roasting? when do you use it?

What do you understand by electrode potential?

What do you mean by insulators? What are their uses?

What do you understand by standard reduction potential of electrode?

MODERN PUBLICATION-UNIT TEST -07-EXERCISE
  1. Use the same formula you employ in to obtain electron speed for a coll...

    Text Solution

    |

  2. The photon of frequency v has a momntum associated with it .If c is th...

    Text Solution

    |

  3. The time taken by a photoelectron to come out after the photon strikes...

    Text Solution

    |

  4. Work function of a metl surface is 4.2 eV. The maximum wavelength whic...

    Text Solution

    |

  5. Sodium and copper have work functions 2.3 eV and 4.5 eV, respectively....

    Text Solution

    |

  6. A photocell is illuminated by a small bright source placed 1 m away .w...

    Text Solution

    |

  7. According to Einstein's photoelectric equation, the graph between kine...

    Text Solution

    |

  8. The surface of a metal is illuminted with the light of 400 nm.the kine...

    Text Solution

    |

  9. The threshold freuency for a metallic surface corresponds to an energy...

    Text Solution

    |

  10. This question has statement - 1 and statement - 2 of the four choice g...

    Text Solution

    |

  11. Two identical photocathodes receive the light of frequencies f1 and f2...

    Text Solution

    |

  12. The anode vollage of a photocell is kept fixed . The wavelength lambda...

    Text Solution

    |

  13. The de-Broglie wavelength of a tennis ball of mass 60 g moving wiht a ...

    Text Solution

    |

  14. If the kinetic energy of a free electron doubles,its de-Broglie wavele...

    Text Solution

    |

  15. A radiation of energy E falls normally on a perfecly reflecting surfac...

    Text Solution

    |

  16. Direction:Answer the MCQ no.15 to 17 on the basis of the folowing para...

    Text Solution

    |

  17. Wave property of electron implies that they will show diffraction effe...

    Text Solution

    |

  18. Wave property of electron implies that they will show diffraction effe...

    Text Solution

    |

  19. Wavelength of the radiation of freuquency 100 Hz is :

    Text Solution

    |

  20. Planck's constant has the dimetnsion of

    Text Solution

    |

  21. The value of Planck's constant is

    Text Solution

    |