Home
Class 12
PHYSICS
In a photo electric effect kinetic energ...

In a photo electric effect kinetic energy of photo electron depend upon which factor?

A

the intensity of radiation should be increased

B

the wave length of the radiation should be increased

C

wave length of the radiation should be decreased

D

both wave length and intensity of the radiations should be increased.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF MATTER AND RADIATION

    BINA LIBRARY|Exercise EXERCISE|68 Videos

  • CURRENT ELECTRICITY

    BINA LIBRARY|Exercise EXERCISE|107 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    BINA LIBRARY|Exercise EXERCISE|101 Videos

Similar Questions

Explore conceptually related problems

What do you mean by photo electric effect? Calculate the energy of one mole of photons of radiations having wave length 200 nm.

Give the experimental study of photo electric effect. Draw the variation curve photo electric current with intensity of light.

What is photoelectric effect? Why is photo electric current proportional to the intesity of incident radiation?

A photo electric surface has work function 2eV. What is the maximum kinetic energy of the emitted photoelectrons ejected by light by wavelength 3000overset(@)A Given h=6.6xx10^(-34)J-S,e=1.6xx10^(-19)C . m_e=9g0^(-31)kg,C = 3xx10^8m//sec

The total energy of electron in the ground state of hydrogen atom is 13.6 eV. Find the kinetic energy of an electron in the first excited state

The ground state energy of hydrogen atom is −13.6 eV. What are the kinetic and potential energies of the electron in this state?

BINA LIBRARY-DUAL NATURE OF MATTER AND RADIATION-EXERCISE
  1. An electron and a proton are having same kinetic energy. Which of them...

    Text Solution

    |

  2. A photon and an electron have the same de Broglie wavelength. Which ha...

    Text Solution

    |

  3. Explain why rainbow is never seen on the surface of the moon.

    Text Solution

    |

  4. The maximum kinetic energy of photoelectrons emitted from a surface wh...

    Text Solution

    |

  5. Define lens.

    Text Solution

    |

  6. The work function of caesium is 2.14 eV . Find Threshold frequency fo...

    Text Solution

    |

  7. The work function of caesium is 2.14 eV . Find The wavelength of inci...

    Text Solution

    |

  8. For what kinetic energy of a neutron will the associated de - Broglie ...

    Text Solution

    |

  9. Calculate the Momentum of the electrons accelerated through a potentia...

    Text Solution

    |

  10. Calculate the Momentum of the electrons accelerated through a potentia...

    Text Solution

    |

  11. The energy of a photon is 3 xx 10^(-19) joules. Its momentum is

    Text Solution

    |

  12. The photoelectric effect proves that

    Text Solution

    |

  13. In a photo electric effect kinetic energy of photo electron depend upo...

    Text Solution

    |

  14. Photo cell is a device which converts

    Text Solution

    |

  15. The work function is

    Text Solution

    |

  16. The fact that the photon carries momentum was established by

    Text Solution

    |

  17. Planck's constant has same dimensions as

    Text Solution

    |

  18. If an electron and a photon propagate in form of waves having same wav...

    Text Solution

    |

  19. What will happen to de- Broglie wavelength if the velocity of the elec...

    Text Solution

    |

  20. The dimension of Planck's constant is same as that of

    Text Solution

    |