Nuclear Physics And Radioactivity Question 490

Question: In the reaction $ _{1}^{2}H+ _{1}^{3}H\to _{2}^{4}He+ {0}^{1}n $ . If the tending energies of $ {1}^{2}H,{1}^{3}H\text{ and }{2}^{4}He $ are respectively $ a,\text{ b and }c $ (in MeV), then the energy (in MeV) released in this reaction is

Options:

A) $ c+a-b $

B) $ c-a-b $

C) $ a+b+c $

D) $ a+b-c $

Show Answer

Answer:

Correct Answer: B

Solution:

[b] During fusion binding energy of daughter nucleus is always greater than the total energy of the parent nuclei so energy released = c – (a + b) = c – a – b