Home
Class 12
PHYSICS
Light of wavelength 180 nm ejects phot...

Light of wavelength 180 nm ejects photoelectrons from a plate of metal whose work - function is 2 eV. If a uniform magnetic field of `5xx10^(-5)` T be applied parallel to the plate, what would be the radius of the path followed by electrons ejected normally from the plate with maximum energy.

Promotional Banner

Topper's Solved these Questions

  • PHOTOELECTRIC EFFECT AND MATTER WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQ|28 Videos
  • NUCLEAR PHYSICS AND RADIOACTIVITY

    PHYSICS GALAXY - ASHISH ARORA|Exercise Concptual MCQs|48 Videos
  • THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 3.4|11 Videos

Similar Questions

Explore conceptually related problems

Light of wavelength 180 nm ejects photoelectrons from a plate of metal whose work - function is 2 eV. If a uniform magnetic field of 5xx10^(-5) T be applied parllel to the palte, what would be the radius of the path followed by electrons ejected normally from the plate with maximum energy.

Light of wavelength 1800 Å ejects photoelectrons from a plate of a metal whose work functions is 2 eV. If a uniform magnetic field of 5xx10^(-5) tesla is applied parallel to plate, what would be the radius of the path followed by electrons ejected normally from the plate with maximum energy.

Radiation of wavelength 120 nm ejects photoelectrons from a plate whose work function is 3.0 eV. If a magnetic field of flux density 4.0 xx10^-5 T is applied parallel to the plate, then the radius of the path followed by electrons ejected normally from the plate with maximum energy will be

In a photocell bichromatic light of wavelength 2475 Å and 6000 Å are incident on cathode whose work function is 4.8 eV . If a uniform magnetic field of 3 xx 10^(-5) Tesla exists parallel to the plate , the radius of the path describe by the photoelectron will be (mass of electron = 9 xx 10^(-31) kg )

Ligth of wavelength 4000 Å is incident on a metal plate whose work function is 2 eV . What is maximum kinetic enegy of emitted photoelectron ?

Light from balmer series of hydrogen is able to eject photoelectron from a metal what can be the maximum work function of the metal?

A small plate of a metal (work function =1.7eV ) is placed at a distance of 2m from a monochromatic light source of wavelength 4.8xx10^(-7)m and power 1.0watt. The light falls normally on the plate. Find the number of protons striking the metal plate per square metre per second. If a constant magnetic field of strength 10^(-4)T is applied parallel to the metal surface, find the radius of the largest circular path followed by the emitted photoelectron. (use h=6.63xx10^(-34)Js , mass of electron= 9.1xx10^(-31)kg , charge of electron= 1.6xx10^(-19)C

A photon of energy E ejects a photoelectron from a metel surface whose work function is phi_(0) . If this electron enters into a unifrom magnetic field of induction B in a direction perpendicular to the field and describes a circular path of radius r, then the radius r, is given by, (in the usual notation)

PHYSICS GALAXY - ASHISH ARORA-PHOTOELECTRIC EFFECT AND MATTER WAVES-Unsolved numerical problems
  1. A point istropic light source of power P = 12 watt is located on the a...

    Text Solution

    |

  2. A uniform monochromatic beam of light of wavelength 365xx10^(-9)m and ...

    Text Solution

    |

  3. Light of wavelength 180 nm ejects photoelectrons from a plate of met...

    Text Solution

    |

  4. Suppose the wavelength of the incident light is increased from 3000 Å ...

    Text Solution

    |

  5. When a metal plate is exposed to a monochromatic beam of light of wave...

    Text Solution

    |

  6. The energy needed to detach the electron of a hydrogen like ion in gro...

    Text Solution

    |

  7. A stationary hydrogen atom emits a photon corresponding to first line ...

    Text Solution

    |

  8. In an experiment tungsten cathode which has a threshold wavelength 230...

    Text Solution

    |

  9. Electrons with maximum kinetic energy 3eV are ejected from a metla sur...

    Text Solution

    |

  10. A small plate of a metal (work function =1.7eV) is placed at a distanc...

    Text Solution

    |

  11. The electric field associated with a monochromatic beam becomes zero 1...

    Text Solution

    |

  12. Find the frequency of light which ejects electrons from a metal surfac...

    Text Solution

    |

  13. A toy truck has dimensions as shown in fig. and its width, normal to t...

    Text Solution

    |

  14. Light of wavelength 180 nm ejects photoelectrons from a plate of met...

    Text Solution

    |

  15. Electron in a hydrogen-like atom (Z = 3) make transition from the fort...

    Text Solution

    |

  16. An electron in a hydrogen like atom is in an excited state. I thas a t...

    Text Solution

    |

  17. In an experiment on photo electric emission, following observations we...

    Text Solution

    |

  18. Light form a dicharge tube containing hydrogen atoms falls on the surf...

    Text Solution

    |

  19. In a photo electric effects set-up, a point source of light of poewer ...

    Text Solution

    |

  20. State whether the following statements are true or false. Give brief r...

    Text Solution

    |