Modern Physics 5 Question 7
7. A fission reaction is given by , where and are two particles. Considering to be at rest, the kinetic energies of the products are denoted by , and , respectively. Let the binding energies per nucleon of and be 7.5 , 8.5 MeV and 8.5 MeV, respectively. Considering different conservation laws, the correct options is/are
(2015 Adv.)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 7. (c)
Solution:
- From conservation laws of mass number and atomic number, we can say that
From conservation of momentum,
NOTE There is no need of finding total energy released in the process.