Nuclear Physics, Numerical Problems
This page consists of solved numerical problems included in the Physics Course for grade 12.
S.No | Description of problem |
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Problem 1 | Find the mass defect and binding energy of helium nucleus, _{2}He^{4}. See Solution |
Problem 2 | A certain radioactive isotope has half-life of 8 hours. A solution containing 500 million atoms of this isotope is prepared. How many atoms of this isotope have not disintegrated (a) 8 hours (b) 24 hours? See Solution |
Problem 3 | Write the nuclear equations for beta decay of the following; (a)_{>82}Pb^{210} (b) _{83}Bi^{210} (c)_{90}Th^{210} (d)_{93}Np^{239} |
Problem 4 | Calculate the total energy released if 1 kg of U235 undergoes fission. Taking the disintegration energy per event to be Q = 208 MeV. See Solution |
Problem 5 | Find the energy released in the following fission reaction; _{0}n^{1} + _{92}U^{235} —–> _{36}Kr92 + _{56}Ba^{141} + 3_{0}n^{1} + Q See Solution |
Problem 6 | Find the energy released in the fusion reaction; |
Problem 7 | Complete the following nuclear reactions. |
Problem 8 | _{3}Li^{6} is bombarded by deuteron. The reaction gives two α particles along with the release of energy equal to 22.3 MeV. Knowing masses of deuteron and α particles, determine mass of lithium isotope of _{3}Li^{6}. |
Problem 9 | Find the energy released in when β-decay changes _{90}Th ^{234} into _{91}Pa^{234}. Mass of _{90}Th ^{234} = 234.0436 u and _{91}Pa^{234} = 234.042762 u. |
Problem 10 | Find out the K.E to which a proton must be accelerated to induce the following nuclear reaction. Li7 (p, n) Be7. |
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