Question

Distinguish 

(i) atom bomb from Nuclear reactor, 

(ii) Nuclear fission from Nuclear fusion.

Answer 1

(i) atom bomb from nuclear reactor:

Atom bomb	Nuclear reaction
In this chain reaction is uncontrolled.	In this chain reaction is controlled.
It is used for destructive purpose.	It is used to produce electric power and radio isotopes.

(ii) Nuclear fission from Nuclear fusion

Nuclear fission	Nuclear fusion
In this, heavy nucleus is split up into two fragments.	In this, two or more lighter nuclei combine to form a heavier nucleus.
It takes place at any higher temperature.	It takes place at very high temperature.
Energy released per fission is 200 MeV.	Energy released per fusion is 3.84 x 10-12 J.