A reaction develop nuclear energy at the rate of `3 xx 10^(4) kW`. How many atoms of `.^(215)U` undergo fission per second? How much `.^(235)U` is burnt in 1000 hours of operation ? (Assume that 200 Mev is released per fission and Avogadro constant is `6.023 xx 10^(26)` per kg mole)
1 Answers
A radioactive element is produced in nuclear reactor at a constant rate R(=numbers of nuclei per second). Its half-life is `T_(1//2)`. How much time,
Correct Answer - `T_(1//2)`,No
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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
Correct Answer - `9 xx 10^(14)` 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
Correct Answer - `9.5 xx 10^(24), 3.7` kg
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The `._(92)^(235)U` absorbs a slow neutron (thermal neutron) & undergoes a fission represented by (i) The energy release E per fission. (ii) The energ
Correct Answer - [(i) 200.68 MeV` (ii) `22.86 MWh`]
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In a reactor, an element X decays to a radioactive element Y, at a constant rate r atoms per second. Each decay reaction releases energy `E_(1)`. Half
Correct Answer - `[(i)" "eta r[E_(1)+E_(2)(1-e^((t log 2)/T))], (ii)" "eta r(E_(1)+E_(2))]`
2 Answers 2 views
Assuming the splitting of `U^235` nucleus liberates `200 MeV` energy, find (a) the energy liberated in the fission of 1 kg of `U^235` and (b) the mass
Correct Answer - [(a) `8.2 xx 10^(10)kJ, 2.7 xx 10^(6) kg` (b) `1.5 g`]
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Calculate the energy released by fission of 1 g of `._(92)^(235)U`, assuming that an energy of 200 MeV is released by fission of each atom of `.^(235)
Correct Answer - `5.1 xx 10^(23) MeV`
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A uranium nucleus `.^(235)U` liberates 200 MeV per fission 1.5 kg of uranium reacts during explosion of a uranium bomb. What is the mass of an equival
Correct Answer - `3 xx 10^(7) kg`
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Energy produced in nuclear fusion is much larger than that produced in nuclear fission. Why is it difficult to use fusion to produce energy ?
Nuclear fusion involves the fusion of lighter nuclei to form a heavy nucleus which is accompanied by an enormous amount of energy (heat). Fusion reaction requires extremely high temperature typically of...
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It has been found that the Sun’s mass loss is 4.34 × 10^9 kg per second. How much energy per second would be radiated into space by the Sun?
Given : Sun’s mass loss = 4.34 × 109 kg per second To find : Energy radiated per second into space by Sun Calculation : Δm = 4.34 × 109 kg per second Now, 1.66 × 10-27...
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