Home
Class 11
CHEMISTRY
How much energyh must a gamma- ray photo...

How much energyh must a `gamma-` ray photon have to produce and anti-proton each having kinetic energy `10MeV` ? (`m_(p) = 1.007825` amu. Assumwe `1` amu `= 391MeV`.)

Text Solution

Verified by Experts

The correct Answer is:
`1886.57 MeV`
Promotional Banner

Topper's Solved these Questions

  • RADIO ACTIVITY

    P BAHADUR|Exercise Exercies 8|16 Videos
  • MOLE AND EQUIVALENT CONCEPT

    P BAHADUR|Exercise Exercise 9 Advanced numerical problems|61 Videos
  • REDOX REACTIONS

    P BAHADUR|Exercise Exercise(8) Statement:Explanation type problems|19 Videos

Similar Questions

Explore conceptually related problems

A free nucleus of mass 24 amu emits a gamma photon (when initially at rest). The energy of the photon is 7 MeV . The recoil energy of the nucleus in KeV is (Assuming 1 "amu"=931 MeV ).

How many head-on elastic collisions must a neutron have with deuterium nuclei to reduce it energy from 6.561 MeV to 1 keV ?

How many head-on, eleastic coillisions must a neutron have with deuterium nucleus to reduce its energy from 1 MeV to 0.025 eV .

A gamma ray photon of energy 1896 MeV annihilates to produce a photon-antiproton pair. If the rest mass of each of the particles involved be 1.007276 a.m.u aapproximately, find how much K.E these will carry?

Assume that an electron and a position pair is formed from a gamma ray photon having energy 3.0 MeV. Find the total kinetic energy of the positron and the electron that is formed.

Calculate the binding energy of the deuteron, which consistss of a proton and a neutron, given that the atomic mass of the deuteron is 2.014102 amu,. Take mass of proton (m_(p))=1.007825 amu, mass of a neutron (m_(n))=1.008665 amu and 1amu=931.5 MeV

The sun is believed to be getting its energy form the fusion of four protons to form a helium nucleus and a pair of positrons. Calculate the release of energy per fusion in MeV. Mass of proton=1.007825 a.m.u. , mass of positron =0.000549 a.m.u., mass of helium nucleus =4.002603 a.m.u. Take 1a.m.u. =931MeV.

An electron-positron pair is produced when a gamma -ray photon of energy 2.36 MeV passes close to a heavy nucleus. Find the kinetic energy carried by each particle produced, as well as the total energy with each.

In a nuclear reaction, alpha+"_(7)N^(14)toX+p When nitrogen atoms are bombarded by 7.7 Me V alpha- particles, protons are ejected with a kinetic energy of 5.5 MeV . The Q- value of the reaction is -1.26 MeV ( a ) Find the atomic mass of X in amu, identify the element X . ( b ) Find the angle phi between the direction of motion of proton and alpha- particle. Given the atomic mass of "_(1)H^(1)=1.00814 a.m.u. , atomic mass of "_(7)N^(14)=14.00752 amu , and atomic mass of "_(2)He^(4)=4.0038 a.m.u.

Knowledge Check

  • How many head-on elastic collisions must a neutron have with deuterium nuclei to reduce it energy from 6.561 MeV to 1 keV ?

    A
    4
    B
    5
    C
    8
    D
    3
  • P BAHADUR-RADIO ACTIVITY-Exercies 9
    1. How much energyh must a gamma- ray photon have to produce and anti-pro...

      Text Solution

      |

    2. The sun radiates energy at the rate of 4xx10^(26) joule sec^(-1). If t...

      Text Solution

      |

    3. Calcualte the energy released (in joule and MeV) in the follwing nulce...

      Text Solution

      |

    4. Consider an alpha- particle just in contact with a .(92)U^(238) nucle...

      Text Solution

      |

    5. Natural nitrogen atoms has found to exist in two isotopic forms, .(7)N...

      Text Solution

      |

    6. .(92)U^(238) is a neutral alpha- emitter. After alpha- emission, the r...

      Text Solution

      |

    7. How much heat would be developed per hour form 1 curie of C^(14) sourc...

      Text Solution

      |

    8. In a nuclear reactor, U^(235) undergoes fission libertaing 200 MeV of...

      Text Solution

      |

    9. alpha- particles of 6 MeV energy is scattered back form a silver foil....

      Text Solution

      |

    10. The activity of a radioactive isotope falls to 12.5% in 90 days. Compu...

      Text Solution

      |

    11. A mixture is to eb anlysed for penicllin. You add 10.0 mg fo penicllin...

      Text Solution

      |

    12. An archeological speciment containing .^(14)C gives 40 counts in 5 min...

      Text Solution

      |

    13. Upon irradiating californium with neutrons, a scientist discovered a n...

      Text Solution

      |

    14. Equal masses of two samples of charcoal A and B are burnt separately ...

      Text Solution

      |

    15. One gram of .(79)Au^(198) (t(1//2) = 65hr) decays by beta- emission to...

      Text Solution

      |

    16. 1g Ra^(226) is placed in an evacused tube whose volume is 5 cc, Assumi...

      Text Solution

      |

    17. The activity of the hair of an egyptain mummy is 7 disinetgration "mi...

      Text Solution

      |

    18. The decay constant for an alpha- decay of Th^(232) is 1.58xx10^(-10) s...

      Text Solution

      |

    19. Two reacants A and B are present such that [A(0)] = 4[B(0)] and t(1//2...

      Text Solution

      |

    20. Two ratio-isotopes P and Q atomic weight 100 and 200 respectively are ...

      Text Solution

      |