Home
Class 11
PHYSICS
Assertion: If the maximum kinetic energy...

Assertion: If the maximum kinetic energy of electrons emitted by a photo cell is 5 eV, then the stopping potential is 5 V.
Reason: Stopping potential for fastest photoelectrons is numerically equal to their kinetic energy.

A

Assertion is True, Reason is True,
Reason is a correct explanation for Assertion.

B

Assertion is True, Reason is True,
Reason is not a correct explanation for Assertion.

C

Assertion is True, Reason is False.

D

Assertion is False but, Reason is True.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Competitive Thinking|78 Videos

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Evaluation Test|15 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|16 Videos

Similar Questions

Explore conceptually related problems

The maximum kinetic energy of electrons in a photocell is 5.5 eV. Calculate the stopping potential .

Stopping potential for photo electrons

The maximum kinetic energy of photoelectrons emitted from a surface when photons of energy 6eV fall on it is 4eV. The stopping potential is:

The maximum kinetic energy of the photoelectrons is related to the stopping potential (v_(0)) thorugh the relation

The maximum kinetic energy of photoelectrons emitted from a surface when photons of energy 6 eV fall on it is 4 eV . The stopping potential , in volt is

TARGET PUBLICATION-ELECTRONS AND PHOTONS-Critical thinking
  1. Light of frequency 1.5 times the threshold frequency is incident on a ...

    Text Solution

    |

  2. The threshold wavelength for lithium is 5250 Å. For photoemission to t...

    Text Solution

    |

  3. Photons of energy 6 eV are incident on a metal surface whose work func...

    Text Solution

    |

  4. In photoelectric emission, the velocity of electrons ejected from near...

    Text Solution

    |

  5. The stopping potential for photoelectrons ejected from a photosensitiv...

    Text Solution

    |

  6. What is the stopping potential when the metal with work function 0.6 e...

    Text Solution

    |

  7. The photoelectric threshould wavelength for a metal surface is 6600 Å....

    Text Solution

    |

  8. Assertion: Work function of a metal is 5 eV. The maximum wavelength o...

    Text Solution

    |

  9. Work function of a metal is 2 eV. The maximum wavelength of photons re...

    Text Solution

    |

  10. The work function of a photoelectric material is 3.3 eV. The thershold...

    Text Solution

    |

  11. The work function for a metal whose threshold wavelength is 5000 Å is

    Text Solution

    |

  12. A photon of energy 8 eV is incident on metal surface of threshold fre...

    Text Solution

    |

  13. The work function of a metal is 2.5 eV. Light of wavelength 3600 Å is ...

    Text Solution

    |

  14. Light of wavelength lambda strikes a photo - sensitive surface and ele...

    Text Solution

    |

  15. The I-V curve for a photocell is best represented by the figure.

    Text Solution

    |

  16. If V1 and V2 are stopping potentials for incident photons of wavelengt...

    Text Solution

    |

  17. Ultraviolet radiation of 6.2 eV falls on an aluminium surface (work -...

    Text Solution

    |

  18. Choose the graph showing the correct relationship between the stopping...

    Text Solution

    |

  19. Two identical photo-cathodes receive light of frequencies v and v/2. I...

    Text Solution

    |

  20. Assertion: If the maximum kinetic energy of electrons emitted by a pho...

    Text Solution

    |