Home
Class 11
PHYSICS
Maximum velocity of photoelectrons emitt...

Maximum velocity of photoelectrons emitted by a metal surface is `1.2xx10^(6)m//s`. Assuming the specific charge of the electrons to be `1.8xx10^(11)C//kg` the value of stopping potential in volt will be:

A

2

B

3

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Critical thinking|22 Videos

  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Evaluation Test|15 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos

Similar Questions

Explore conceptually related problems

The charge on the electron is 1.6 xx 10^(-19) C . The order of magnitude is

Velocity of light in a medium is 1.5xx10^(8) m//s . Its refractive index will be

Observations from an experiment on photoelectric effect for the stopping potential by varying the incident frequency were plotted.The slope of the linear curve was found to be approximately 4.1 xx 10^-15 V s . Given that the charge of an electron is 1.6 xx 10^-19 C , find the value of the Planck's constant h .

Solve the following example : The density of a metal is 1.8 xx 10^3 kg//m^3 . Find the relative density of the metal.

Observations from an experiment on photoelectric effect for the stopping potential by varying the incident frequency were plotted. The slope of the linear curve was found to be approximately 4.1 xx 10^-15 V s . Given that the charge of an electron is 1.6 xx 10^-19 C , find the value of the Planck's constant h.

How many electrons need be removed from a metal sphere of 0.05 m radius so that it acquires a charge of 4 xx 10^-15 C ? e = 1.6 xx 10^-19 C.

TARGET PUBLICATION-ELECTRONS AND PHOTONS-Competitive Thinking
  1. Lights of two different frequencies whose photons have energies 1 and ...

    Text Solution

    |

  2. When the light of frequency 2 v(0) (where v(0) is threshold frequency)...

    Text Solution

    |

  3. Maximum velocity of photoelectrons emitted by a metal surface is 1.2xx...

    Text Solution

    |

  4. The cathode of a photoelectric cell is changed such that the work func...

    Text Solution

    |

  5. The threshold frequency for a certain method is 3.3 xx 10^14 Hz. If li...

    Text Solution

    |

  6. When monochromatic light of wavelength lambda is incident on a metal...

    Text Solution

    |

  7. When light of wavelength lambda is incident on photosensitive surface,...

    Text Solution

    |

  8. When a metallic surface is illuminated with radiation of wavelength la...

    Text Solution

    |

  9. If 5% of the energy supplied to a bulb is irradiated as visible light,...

    Text Solution

    |

  10. Monochromatic radiation emitted when electron on hydrogen atom jumps f...

    Text Solution

    |

  11. When light of 2.5 eV falls on a metal surface, maximum kinetic energy ...

    Text Solution

    |

  12. On a photosensitive material, when frequency of incident radiation ...

    Text Solution

    |

  13. Photons with energy 5 eV are incident on a cathode C in a photoelectri...

    Text Solution

    |

  14. When photons of energy hv fall on an aluminium plate (of work function...

    Text Solution

    |

  15. Assuming photoemission to take place , the factor by which the maximum...

    Text Solution

    |

  16. For photoelectric emission from certain metal the cut - off frequency ...

    Text Solution

    |

  17. Radiation of wavelength lambda in indent on a photocell . The fastest ...

    Text Solution

    |

  18. The photoelectric threshold wavelength of silver is 3250 xx 10^(-10) m...

    Text Solution

    |

  19. When light of frequency v1 incident on a metal with work function W0 (...

    Text Solution

    |

  20. The maximum kinetic energy of the photoelectrons depends only on

    Text Solution

    |