ICSE Class 10 Physics 2020 Solved Paper

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Question : 62
Total: 67
Differentiate between nuclear fusion and nuclear fission.
Solution:  
 Nuclear fusion  Nuclear fission
 (1) The reaction is possible only at a very high temperature (107K) and a very high pressure.  This reaction is possible at ordinary temperature and ordinary pressure.
 (2) Fusion reaction cannot be controlled.  Fission process can be controlled.
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