Home
Class 12
PHYSICS
An electron of mass m and a photon have ...

An electron of mass `m` and a photon have same energy `E`. The ratio of de - Broglie wavelengths associated with them is :

A

`1/C ( (E )/(2m) )^(1/2)`

B

`( (E )/(2m) )^(1/2)`

C

` C (2mE)^(1/2)`

D

`1/C ((2m)/(E ))^(1/2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MATTER WAVE

    MOTION|Exercise EXERCISE 3 (SECTION B)|7 Videos

  • MATTER WAVE

    MOTION|Exercise EXERCISE 2|19 Videos

  • MAGNETISM -1

    MOTION|Exercise Exercise - 3 SECTION -A|56 Videos

  • MODERN PHYSICS

    MOTION|Exercise PHYSICS|73 Videos
MOTION-MATTER WAVE-EXERCISE 3 (SECTION A)
  1. An electron and proton are accelerated through same potential, then la...

    Text Solution

    |

  2. A small particle of mass 10^(-13) kg and velocity 10 cm/s then associ...

    Text Solution

    |

  3. The momentum of moving particle is p . The wavelength lambda of the as...

    Text Solution

    |

  4. For electron wavelength will be

    Text Solution

    |

  5. The solution of Bragg's equation is possible if :

    Text Solution

    |

  6. Electrons used in an electron microscope are accelerated by a voltage ...

    Text Solution

    |

  7. Lights of two different frequencies whose photons have energies 1 eV a...

    Text Solution

    |

  8. If the momentum of an electron is changed by p, then the de - Broglie ...

    Text Solution

    |

  9. Photon and electron are given same energy (10^(-20) J). Wavelength ass...

    Text Solution

    |

  10. The wavelength lamda(e) of an electron and lamda(p) of a photon of sam...

    Text Solution

    |

  11. If velocity of a particle is 3 times of that of electron and ratio of ...

    Text Solution

    |

  12. If the kinetic energy of the particle is increased to 16 times its pre...

    Text Solution

    |

  13. Which of the following figure represents the variation of particle mom...

    Text Solution

    |

  14. Light of wavelength 500 nm is incident on a metal with work function 2...

    Text Solution

    |

  15. A radiation of energy E falls normally on a perfectly reflecting surfa...

    Text Solution

    |

  16. An electron of mass m and a photon have same energy E. The ratio of de...

    Text Solution

    |

  17. The de - Broglie wavelength of a neutron in thermal equilibrium with h...

    Text Solution

    |