Home
Class 12
PHYSICS
The energy of a photon is E = hv and the...

The energy of a photon is `E = hv` and the momentum of photon `p = (h)/(lambda)` , then the velocity of photon will be

A

E/P

B

EP

C

`(( E)/(P))^(2)`

D

`3 xx 10^(8) m//s`

Text Solution

Verified by Experts

Momentum of photon ` p = ( E)/(p)`
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 2 (C.W)|25 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 2 (H.W)|20 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 1 (C.W)|40 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos
  • DUAL NATURE

    NARAYNA|Exercise LEVEL-II (H.W)|17 Videos

Similar Questions

Explore conceptually related problems

Energy of a photon is 20 eV then its momentum is

If the energy of a photon is 10 eV , then its momentum is

A photon of energy 3.3 eV , find the momentum of photon is

The momentum of a photon of wavelength lambda is

If the enrgy of a frequency v is gives by E = hv where h is plank's constant and the momentum of photon is p = h//lambda where lambda is the wavelength of photon , then the velocity of light is equal to

If the energy of a photon of light of frequency is E and its momentum is P, then the velocity of light is-

If the energy of a photon is E, then its momentum is (c is velocity of light )

The momentum of a photon of energy will be

NARAYNA-DUAL NATURE OF RADIATION AND MATTER-EXERCISE - 1 (H.W)
  1. A metal of work function 4eV is cexposed to a radiation of wavelegth 1...

    Text Solution

    |

  2. Threshold wavelength for a metal having work function w(0) is lambda. ...

    Text Solution

    |

  3. The work functions of metals A and B are in the ratio 1 : 2. If light ...

    Text Solution

    |

  4. The threshold wavelength for photoelectric emission from a material ...

    Text Solution

    |

  5. An AIR station is broadcasting the waves of wavelength 300 metres. If ...

    Text Solution

    |

  6. The energy of a photon is E = hv and the momentum of photon p = (h)/(l...

    Text Solution

    |

  7. The approximate wavelength of a photon of energy 2.48 eV is

    Text Solution

    |

  8. An important spetral emission line has a wavelength of 21 cm. The corr...

    Text Solution

    |

  9. A particle having a de Broglie wavelength of 1.0 A^(0) is associated w...

    Text Solution

    |

  10. The de - Broglie wavelength of an electron having 80 ev of energy is n...

    Text Solution

    |

  11. Electrons are accelerated through a p.d. Of 150V. Given m=9.1xx10^(-31...

    Text Solution

    |

  12. If accelerating potential of an alpha particle is doubled than its new...

    Text Solution

    |

  13. The ratio of the deBroglie wavelengths of proton, deuteron and alpha p...

    Text Solution

    |

  14. The energy that should be added to an electron, to reduce its de-Brogl...

    Text Solution

    |

  15. The de - Broglie wavelength of an electron having 80 ev of energy is n...

    Text Solution

    |

  16. If particles are moving with same velocity , then maximum de - Broglie...

    Text Solution

    |

  17. The wavelength of most energetic X-rays emitted when a metal target is...

    Text Solution

    |

  18. X - rays which can penetrate through longer distances in substance are...

    Text Solution

    |

  19. An X - ray machine has an accelerating potential difference of 25,000 ...

    Text Solution

    |

  20. Four the production of X-rays of wavelength 0.1 Å the minimum potentia...

    Text Solution

    |