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Question

A nuclear reaction is represented by the equation:
H12  +  H12                       He23  +   xc  +  E

(a) Name the process represented by this equation and describe what happens during this reaction.
(b) Identify the particle c and the number x of such particles produced in the reaction.
(c) What does E represent?
(d) State two conditions under which such a reaction takes place.
(e) What type of nuclear bomb is based on similar reactions?


Solution

(a) The process represents nuclear fusion.
In this process, when two smaller nuclei of deuterium are heated to an extremely high temperature under extremely high pressure, a heavy nucleus of helium and a neutron are emitted. A tremendous amount of energy is also liberated.
(b) Particle c is a neutron and x is equal to 1.
(c) E represents the tremendous amount of energy liberated.
(d) The two conditions are given below.
(i) Millions of degrees of temperature
(ii) Millions of pascals of pressure
(e) A hydrogen bomb is based on similar reactions.

Science
Lakhmir Physics 2013
Standard X

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