Question
The element curium 96Cm248 has a mean life of 1013s.. Its primary decay modes are spontaneous fission and α-decay, the former with a probability of 8 and the later with a probability of 92. Each fission releases 200 MeV of energy. The masses involved in a decay are as follows: 96Cm248=248.072220u,94Pu244=244.064100u and 2He4=4.002603u Calculate the power output from a sample of 1020Cm atoms. (1u=931MeV/c2).
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[c] The total energy released E= Energy released in fission process + energy released in α- decay process =NF×200+Nα×(0.005517×931) =(8100×1020)×200+(92100×1020) ×(0.005517×931) =20.725×1020MeV Power output P=E/t =20.725×1020×1.6×10−131013 =3.3×10−5W.
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In a fission reaction 23692U→117X+117Y+n+n, the binding energy per nucleon of X and Y is 8.5 MeV whereas of 236Uis 7.6 MeV. The total energy liberated will be about Stuck on the question or explanation?
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Question Text | The element curium 96Cm248 has a mean life of 1013s.. Its primary decay modes are spontaneous fission and α-decay, the former with a probability of 8 and the later with a probability of 92. Each fission releases 200 MeV of energy. The masses involved in a decay are as follows: 96Cm248=248.072220u,94Pu244=244.064100u and 2He4=4.002603u Calculate the power output from a sample of 1020Cm atoms. (1u=931MeV/c2). |
Answer Type | Text solution:1 |
Upvotes | 150 |