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(a) Explain the processes of nuclear fission and nuclear fusion by using the plot of binding energy per nucleon (BE/A) versus the mass number A. (b) A radioactive isotope has a hald -life of 10 years. How long will it take for the activity to reduce to 3.125%.

(a) Explain the processes of nuclear fission and nuclear fusion by using the plot of binding energy per nucleon (BE/A) versus the mass number A. (b) A radioactive isotope has a hald -life of 10 years. How long will it take for the activity to reduce to 3.125%.

Draw a plot of BE/A versus mass number A for 2 le A le 170 . Use this graph to explain the release of energy in the process of nuclear fusion of two light nuclei. OR Using the curve for the binding energy per nucleon as a function of mass number A, state clearly how the release in energy in the processes of nuclear fission and nuclear fusion can be explained. OR Draw a plot of the binding energy per nucleon as a function of mass number for a large number of nuclei, 2 lt A lt 240 . How do you explain the constancy of binding energy per nucleon in the range 30 lt A lt 170 using the property that nuclear force is short-ranged ?

Einstein's theory of mass energy equivalence is used in nuclear fission and fusion. State whether true or false.

Nuclear fusion can liberate more energy than nuclear fission. But nuclear fusion is not com monly used in energy production. Why?