question_answer

In the nuclear fusion reaction, \[_{1}^{2}H+_{1}^{3}H\to _{2}^{4}He+n\] given that the repulsive potential energy between the two nuclei is \[7.7\times {{10}^{-14}}\] J the temperature at which the gases must be heated to initiate the reaction is nearly [Boltzmann's constant \[k=1.38\times {{10}^{-23}}J/K\]]                                          [AIEEE 2003]

A) \[{{10}^{7}}\] K

B) \[{{10}^{5}}\] K

C) \[{{10}^{3}}\] K

D) \[{{10}^{9}}\] K

Correct Answer: D

Solution :

[d] As