Home
Class 12
PHYSICS
What is the rest mass of a photons?...

What is the rest mass of a photons?

Text Solution

Verified by Experts

The correct Answer is:
zero
Promotional Banner

Topper's Solved these Questions

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Short Answer Type Questions- I)|18 Videos

  • QUANTUM THEORY

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

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Multiple Choice Questions)|27 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

What is the mass of a photon of sodium light with a wavelength of 5890 Å? [h = 6.626 xx 10^(-34) Js]

What is the momentum of a photon of frequency gamma and wavelength lambda ?

What is the momentum for a photon having frequency gamma ?

Find the energy of a photon of wavelength 4950 Å in eV ( h = 6.62 xx 10^(-27) erg.s) . What is the momentum of this photon?

The electron in a hydrogen atom is in n=2 state. When it drops to the ground state a photon is emitted. What is the wavelength of photon?

The wavelength of an electromagnetic radiation is lamda . What is the energy of a photon of this radiation?

What is the number of photons of light with a wavelength of 4000 pm that provide 1J of energy?

A bulb emits 2 xx 10^20 photons of wave length 400 nm in one second. Calculate the rate of emission of photons per second.

What do you mean by rest mass of a body ?

Calculate the mass of a photon with wavelength 3.6 Å.

CHHAYA PUBLICATION-QUANTUM THEORY-Exercise (Very Short Answer Types Questions)
  1. Write down the relation between threshold frequency and photoelectric ...

    Text Solution

    |

  2. Which property of light is used to explain the characteristics of phot...

    Text Solution

    |

  3. What is the rest mass of a photons?

    Text Solution

    |

  4. The wavelength of an electromagnetic radiation is lamda. What is the e...

    Text Solution

    |

  5. The light coming from a hydrogen-filled discharge tube falls on sodium...

    Text Solution

    |

  6. In case of photoelectric emission, the maximum kinetic energy of emitt...

    Text Solution

    |

  7. In case of electromagnetic radiation of frequency f, what is the momen...

    Text Solution

    |

  8. If photons of energy 6eV are incident on a metallic surface, the kinet...

    Text Solution

    |

  9. The threshold wavelength of a metal having work function W is lamda. W...

    Text Solution

    |

  10. The work function of a metal surface for electron emission is W. What ...

    Text Solution

    |

  11. What is the effect on the velocity of the emitted photoelectrons if th...

    Text Solution

    |

  12. Two metals A and B have work function 4eV and 10eV respectively. Which...

    Text Solution

    |

  13. Ultravilet light is incident on two photosensitive materials having wo...

    Text Solution

    |

  14. Is it possible to bring about interference of electron?

    Text Solution

    |

  15. What type of wave is suitable to represent the wave associated with a ...

    Text Solution

    |

  16. Davission and Germer experimentally demonstrated the existence of wav...

    Text Solution

    |

  17. The wavelength of a stream of charged particles accelerated by a volta...

    Text Solution

    |

  18. The de Broglie wavelength of an electron and the wavelength of a photo...

    Text Solution

    |

  19. An electron and a proton have the same kinetic energy. Identify the pa...

    Text Solution

    |

  20. The de Broglie wavelength of a particle of kinetic energy K is lamda. ...

    Text Solution

    |