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is the difference between fission and fussion

Nuclear Fission

1. It involves the splitting of a heavy nucleus into lighter nuclei.

2. It is a chain process.

3. High temperature is not essential.

4. Fission process can be carried out in a controlled manner and energy released can be used for peaceful purposes.

5. There is a production of large number of radioisotopes and large amount of nuclear waste is left.

Nuclear Fusion

1. It involves the union of two or more lighter nuclei to form a heavy nucleus.

2. It is not a chain process.

3. Being a thermonuclear process, it requires extremely high temperature ( 106K).

4. Fusion process is extremely difficult to be carried out in a controlled manner.

5. No nuclear waste is left. Hence, it does not cause pollution.

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nuclear fission-----1) process of spliting of heavy nucleus into 2 medium height nuclei. 2) to start a fission reactor, a heavy nucleus is hit or bombarded with neutron. 3) used to generate electricity. 4) anormous amount of energy is generated.

nuclear fusion -------1) process of combing 2 light nuclei to form a heavy nucleus. 2) to start a fusion reaction, lighter atoms are heated in high temperature. 3) not controlled 4) energy generated is more than that generated during nuclear fusion.

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