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Differentiate between nuclear fission and fusion.
Assertion (A) : Nuclear fission reactions are responsible for energy generation in the Sun. Reason (R) : Light nuclei fuse together in the nuclear fission reactions.
Draw a diagram to show the variation of binding energy per nucleon with mass number for different nuclei and mention its two features. Why do lighter nuclei usually undergo nuclear fusion ?
What is meant by ionisation energy? Write its value for hydrogen atom.
Define the term, mass defect. How is it related to stability of the nucleus?
Distinguish between nuclear fission and fusion giving an example of each.
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