Home
Class 11
PHYSICS
The stopping potential (V0) versus frequ...

The stopping potential `(V_0)` versus frequency (v) plot of a substance is shown in figure. The threshold wave length is

A

`5xx10^14m`

B

6000 `Å`

C

5000 `Å`

D

Cannot be estimated from given data

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Competitive Thinking|80 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

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos

Similar Questions

Explore conceptually related problems

The maximum kinetic energy of emitted photoelectrons against frequency v of incident radiation is plotted as shown in figure. The slope of the graph is equal to

When monochromatic light of wavelength lambda is incident on a metallic surface the stopping potential for photoelectric current is 3V_(0) when same surface is illuminated with light of waelength 2lambda the stopping potential is V_(0) The threshold wavelength for this surface when photoelectric effect takes place is

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.

The frequency of a wave of light is 1.0 xx 10^16 sec^-1 . The wave length for this wave is

When light of wavelength lambda is incident on photosensitive surface, the stopping potential is V. When light of wavelength 3lambda is incident on same surface, the stopping potential is V/6 Thereshould wave length for the surface is

When light of frequency v_1 incident on a metal with work function W_0 (where hv_1 gt W_0), the photocurrent falls to zero at a stopping potential of V_1. If the frequency of light is increased to v_2, the stopping potential changes to V_2. Therefore, the charge of an electron is given by

When a metallic surface is illuminated with radiation of wavelength lambda , the stopping potential is V . If the same surface is illuminated with radiation of wavelength 2 lambda , the stopping potential is (V)/(4) . The threshold wavelength surface 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 maximum kinetic energy of emitted photoelectrons against frequency...

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

    Text Solution

    |

  19. The stopping potential (V0) versus frequency (v) plot of a substance i...

    Text Solution

    |

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

    Text Solution

    |