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When one atom of ""(92)U^(235) undergoe...

When one atom of `""_(92)U^(235)` undergoes fission, 200 MeV energy is released. Calculate the amount of energy released using 0.5 grams of it.

Text Solution

Verified by Experts

The correct Answer is:
`4.08 xx 10^(10)` J
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When an atom of ._(92)U^(235) undergo fission, about 200 MeV energy is released Suppose that a reactor using ._(92)U^(235) has an output of 700 MW and is 20% efficient (i) How much uranium atoms does it consume in one day ? (ii) What mass of uranium does it consume each day ?

In the nuclear fission of ""_(92)U^(235) , 200 MeV of energy is released per fission. Calculate the output power of the reactor if 3 kg of fuel is used in 40 days.

Knowledge Check

  • 1.00 kg of .^(235)U undergoes fission process. If energy released per event is 200 MeV , then the total energy released is

    A
    `5.12 xx 10^(24)MeV`
    B
    `6.02 xx 10^(23)MeV`
    C
    `5.12 xx 10^(16)MeV`
    D
    `6.02 xx 10^(6)MeV`

  • When ""_(92) U ^(235) undergoes fission, 0.1% of its original mass is changed into energy. How much energy is released if 1 kg of ""_(92) U ^(235) undergoes fission

    A
    `9 xx 10 ^(10) J`
    B
    `9 xx 10 ^(11) J`
    C
    `9 xx 10 ^(12) J`
    D
    `9 xx 10 ^(13) J`

  • When a U-235 nucleus absorbs a neutron and underfoes nuclear fission, about 200 MeV of energy is released. But in what form? Intereting most of this energy initially appears in the form of

    A
    `gamma` rays
    B
    Kinetic energy of emitted neutrons
    C
    Kinetic energy of the fission fragments
    D
    Heat

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    When ._(92)U^(235) undergoes fission, 0.1% of the original mass is released into energy. How much energy is released by an atom bomb which contains 10kg of ._(92)U^(235) ?

    The fission properties of " "_(94)^(239)Pu are very similar to those of " "_(92)^(235)U . The average energy released per fission is 180 MeV. How much energy, in MeV, is released if all the atoms in 1 kg of pure " "_(94)^(239)Pu undergo fission ?

    A nuclear reactor generates power at 50% efficiency by fission of ._(92)^(235)U into two equal fragments of ._(46)^(116)U into two equal fragments of ._(46)^(116)Pd with the emission of two gamma rays of 5.2 MeV each and three neutrons. The average binding energies per particle of ._(92)^(235)U and ._(46)^(116)Pd are 7.2 MeV and 8.2MeV respectiveley. Calculate the energy released in one fission event. Also-estimate the amount to .^(235)U consumed per hour to produce 1600 megawatt power.

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    When ._92 U^235 undergoes fission, 0.1 % of its original mass is changed into energy. How much energy is released if 1 kg of ._92 U^235 undergoes fission ?

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