Home
Class 12
PHYSICS
By how much would the stopping potential...

By how much would the stopping potential for given photosensitive surface go up if the frequency of the incident radiations were to be increased from `4xx10^(15) Hz` to `8xx10^(15)Hz`? Given `h = 6.4xx10^(-34) J.s, e = 1.6xx10^(-19)C and c = 3xx10^(8) m.s^(-1)`.

Text Solution

Verified by Experts

The correct Answer is:
16 V
Promotional Banner

Topper's Solved these Questions

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Problem Set- II)|15 Videos

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Hots Numerical Problems)|4 Videos

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Short Answer Type Questions- II)|4 Videos

  • OPTICAL INSTRUMENTS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|8 Videos

  • QUESTION PAPER OF NEET 2017

    CHHAYA PUBLICATION|Exercise QUESTION PAPERS OF (NEET) (2017)|39 Videos

Similar Questions

Explore conceptually related problems

Calculate the momentum of a photon of frequency 5 xx 10^(13) Hz .Given, h = 6.6 xx 10^(-34)J.s and c = 3 xx 10^(8) m.s^(-1)

The stopping potential any material is 1.4Volt.What will its threshold wavelength if the value of incident radiation is 5.6 eV. . [h = 6 .63 xx 10^(-34) Js, C= 3 xx 10^8 m//s, eV = 1.6 xx 10^(-19) J] .

What is the de Broglie wavelength related to an electron of energy 100 eV ? (Given, mass of electron, m = 9.1 xx 10^(-31) kg, " " e = 1.6 xx 10^(-19) C and h = 6.63 xx 10^(-34) J.s )

Find out the photoelectric threshold wavelength of copper. Given work function of copper = 4.52eV, h = 6.6 xx 10^(-34)J.s, 1 eV = 1.6 xx 10^(-19)J

Calculate the wave length of wave associated -with an electron moving with the velocity 1.55 xx 10^6 ms^(-1) [h = 6.63 xx 10^(-34) J.S , m_e = 9.109 xx 10^(-31) kg] .

If 50 kV potential difference is applied across a Coolidge tube, what will be the maximum frequency of X-ray emitted from the tube? h=6.6xx10^(-34)J*s,e=1.6xx10^(-19)C .

A photon of energy 8eV is incident on a metal plate with threshold frequency 1.6 xx 10^(15) Hz. The maximum kinetic energy of the emitted photo electrons is (given h= 6 xx 10^(-34) Js )

Calculate the energy of 1 mol of photons an electromagnetic radiation of frequency 2.5xx10^(14)Hz." "[h=6.626xx10^(-34)J*s]

The maximum velocities of the photoelectrons ejected are v and 2v for incident light of wavelength 400 nm and 250 nm on a metal surface respectively. Calculate the work function of the metal. Given h = 6.63 xx 10^(-34)J.s and c = 3 xx 10^(8) m.s^(-1)

CHHAYA PUBLICATION-QUANTUM THEORY-Exercise (Problem Set- I)
  1. The photoelectric work function of a metal is 1.2 eV. What will be the...

    Text Solution

    |

  2. The photoelectric work function of a metal is 3800 Å. If an ultraviole...

    Text Solution

    |

  3. Find out the photoelectric threshold wavelength of copper. Given work ...

    Text Solution

    |

  4. Find the photoelectric threshold frequency of a metal is 6525 Å. What ...

    Text Solution

    |

  5. A monochromatic source, emitting light of wavelength, 600 nm, has a po...

    Text Solution

    |

  6. The threshold frequency of a metal is f(0). When the light of frequenc...

    Text Solution

    |

  7. By how much would the stopping potential for given photosensitive surf...

    Text Solution

    |

  8. Calculate the threshold frequency of photon for photoelectric emission...

    Text Solution

    |

  9. Calculate the kinetic energy of photoelectrons in eV emitted on shinin...

    Text Solution

    |

  10. Calculate the maximum kinetic energy of electrons emitted from a phot...

    Text Solution

    |

  11. The de Broglie wavelength associated with a moving particle changes fr...

    Text Solution

    |

  12. Determine the de Broglie wavelength of an electron moving with velocit...

    Text Solution

    |

  13. For a moving electron, the de Broglie wavelength is 1 Å. What will be ...

    Text Solution

    |

  14. If an electron is send through a potential difference of 60V, what wil...

    Text Solution

    |

  15. The de Broglie wavelength of a moving electron is 1 Å. What is its vel...

    Text Solution

    |

  16. A neutron of mass 1.66xx10^(-27) kg has a kinetic energy of 0.04eV. Wh...

    Text Solution

    |

  17. What is the de Broglie wavelength of an alpha-particle moving with a v...

    Text Solution

    |

  18. What will be the de Broglie wavelength of an electron of kinetic energ...

    Text Solution

    |

  19. The wavelength associated with a photon and the de Broglie wavelength ...

    Text Solution

    |

  20. Calculate de Broglie wavelength of an electron beam accelerated throug...

    Text Solution

    |