Home
Class 12
PHYSICS
The momentum of a photon is 2 xx 10^(-16...

The momentum of a photon is `2 xx 10^(-16) gm - cm//sec`. Its energy is

A

`0.16 xx 10^(-26) erg`

B

`2.0 xx 10^(-26) erg`

C

`6 xx 10^(-6) erg`

D

`6 xx 10^(-8) erg`

Text Solution

Verified by Experts

The correct Answer is:
4

`p=(E)/(c)rArr=pxxc=2xx10^(-16)xx(3xx10^(10))=6xx10^(10)erg.`
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 1 (H.W)|24 Videos
  • DUAL NATURE OF RADIATION AND MATTER

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

    NARAYNA|Exercise C. U. Q|88 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

The momentum of a photon is 33 xx 10^(- 29) kg - m//sec . Its frequency will be

The momentum of a photon is 3.3xx10^(-29) kg-m/s. Its frequency will be

The momentum of a photon of energy will be

The momentum of a photon with energy 20 eV is

The momentum of a photon of frequency 50 xx 10^(17) s^(-1) is nearly

The energy of X -rays photon is 3.3xx10^(-16) J.Its frequency is:

NARAYNA-DUAL NATURE OF RADIATION AND MATTER-EXERCISE - 1 (C.W)
  1. The momentum of a photon is 33 xx 10^(- 29) kg - m//sec. Its frequency...

    Text Solution

    |

  2. The energy of a photon of wavelength lambda is given by

    Text Solution

    |

  3. The momentum of a photon is 2 xx 10^(-16) gm - cm//sec. Its energy is

    Text Solution

    |

  4. The rest mass of the photon is

    Text Solution

    |

  5. The momentum of the photon of wavelength 5000 Å will be

    Text Solution

    |

  6. The momentum of a photon of energy will be

    Text Solution

    |

  7. A photon in motion has a mass

    Text Solution

    |

  8. If the momentum of a photon is p, then its frequency is

    Text Solution

    |

  9. A particle of mass 5M at rest decays into two particle of masses 2 m a...

    Text Solution

    |

  10. An electron and a photon have same wavelength of 10^(-9) m. If E is th...

    Text Solution

    |

  11. A proton and an alpha-particle are accelerated through same potential ...

    Text Solution

    |

  12. A particle with rest mass m0 is moving with velocity c. what is the d...

    Text Solution

    |

  13. The velocity of a body of mass 10 gm is 2 xx 10^(4) ms^(-1). The value...

    Text Solution

    |

  14. The ratio of wavelength of deutron and proton accelerated through the ...

    Text Solution

    |

  15. The wavelenght of an electron of energy 10 keV will be

    Text Solution

    |

  16. Through what potential difference should an electron be accelerated so...

    Text Solution

    |

  17. Find the ratio of de Broglie wavelength of a proton and as alpha-parti...

    Text Solution

    |

  18. Consider a hypothetical annihilation of a stationary electron with a s...

    Text Solution

    |

  19. The de Broglie wavelength of an electron accelerated by an electric fi...

    Text Solution

    |

  20. The de Broglie wavelenght associated with neutrons in thermal equilibr...

    Text Solution

    |