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  Solved  Paper-2003

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

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

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

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