Difference Between Nuclear Fission and Fusion

Difference Between Nuclear Fission and Fusion

Nuclear fissionNuclear fusion
  
The process involves the fission of the heavy nucleus to the lighter nuclei.The process involves the fission of the lighter nuclei to heavy nucleus.
The process can take place at ordinary temperature.The process takes place at higher temperature (.

The energy liberated during this process is high

(200 MeV per fission)

The energy liberated during the process is comparatively low

(3 to 24 MeV per fusion)

Percentage efficiency of the energy conversion is comparatively less.Percentage efficiency of the energy conversion is high (four times to that of the fission process).
The process can be controlled for useful purposes.The process cannot be controlled.

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