Home
Class 12
PHYSICS
A quantum of light energy is called...

A quantum of light energy is called

A

proton

B

photon

C

electron

D

neutron

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    NIKITA PUBLICATION|Exercise MCQs|431 Videos

  • ELECTROSTATICS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|458 Videos

Similar Questions

Explore conceptually related problems

A quantum of visible light is called

Amount of oxygen evolved per quantum of light is called as

A quantum of light having energy E has wavelength equal to 7200 A^(@) . The frequency of light which corresponds to energy equal to 3E, is

The light radiations with discrete quantities of energy are called …………

In which transition, one quantum of energy is emitted -

One molecule of a substance absorbs one quantum of energy. The energy involved with 1.5 mole of the substance absorbs red light of frequency 7.5 xx 10^14 sec^-1 will be.

NIKITA PUBLICATION-ELECTRONS AND PHOTONS -MCQs
  1. The kinetic mass of a photon is given by

    Text Solution

    |

  2. The number of photons required to give a definite energy W varies

    Text Solution

    |

  3. A quantum of light energy is called

    Text Solution

    |

  4. It is essential to consider light as a stream of photons to explain

    Text Solution

    |

  5. What is the momentum of a photon of frequency v ?

    Text Solution

    |

  6. The kinetic energy (E(k)) of a photoelectron varies with the frequency...

    Text Solution

    |

  7. If the energy of a photon corresponding to a wavelength of 6000 Å is 3...

    Text Solution

    |

  8. Wavelength of a 1 ke V photon is 1.24 xx 10^(-9) m. What is the freque...

    Text Solution

    |

  9. The dual nature of matter was predicted by

    Text Solution

    |

  10. The wavelength of an electron , moving with the velocity 3 xx 10^(3) ...

    Text Solution

    |

  11. If we consider electrons and photons of same wavelength , then they wi...

    Text Solution

    |

  12. The photoelectrons emitted from a given cathode , on the incidence of...

    Text Solution

    |

  13. An electron behaves as a

    Text Solution

    |

  14. The photons are incident on a metallic surface of frequency n . If the...

    Text Solution

    |

  15. An electron moving with a kinetic energy of 1.5 xx 10^(3) eV enters in...

    Text Solution

    |

  16. An electron performs uniform circular motion in a region of magnetic f...

    Text Solution

    |

  17. An electron of velocity 2.652 xx 10^(7) m/s enters a uniform magnetic ...

    Text Solution

    |

  18. In an experiment to measure the charge on an electrons , the electrons...

    Text Solution

    |

  19. An electron moving horizontally enters in a uniform electric field of ...

    Text Solution

    |

  20. The potential difference through which an electron should be accelerat...

    Text Solution

    |