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A fusion reaction consists of combining ...

A fusion reaction consists of combining four protons into an `alpha`–particle. The mass of `alpha`–particle is 4.002603u and that of proton is 1.007825u, mass of electron is 0.00054466u.

Text Solution

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Mass defect `Deltam=4m_(H)-m_(He)-2m_(e)`
`Q=0.02608xx932(MeV)/u=25.7 MeV`
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Knowledge Check

  • A fusion reaction consists of combining four protons into an alpha -particle the mass of alpha - particle is 4.00260u and that of proton is 1.007825u

    A
    the equation `4p_(1)^(1)toHe_(2)^(4)` does not satisfy conservation of charge
    B
    the correct reaction equation may be `4p_(1)^(1)toHe_(2)^(4)+2beta^(+)+2upsilon` where `beta^(+)` is positron and `upsilon` is the neutrino (zero rest mass and uncharged)
    C
    loss of mass in the reaction is 0.028697 u
    D
    the energy equivalent of the mass defect is 26.7 MeV

  • The binding energy per nucleon of ""_(7)N^(14) nucleus is: (Mass of ""_(7)N^(14) = 14.00307 u ) mass of proton = 1.007825 u mass of neutron = 1.008665 u

    A
    7.471 MeV
    B
    8.471 MeV
    C
    `11.9 xx 10^(-13)` J
    D
    `12.9 xx 10^(-9)` J

  • The charge to mass ratio of alpha -particle is approximately two the charge to mass ratio of proton is

    A
    Half
    B
    Twice
    C
    4 times
    D
    6 times

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    Calculate the binding energy of an alpha -particles. Given that mass of proton =1.0073u , mass of neutron =1.0087 u . And mass of alpha -particle =4.0015 u .

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