For the following fusion reaction, $4{ }^{1} \mathrm{H} \rightarrow{ }^{4} \mathrm{He}+2 \beta^{+}+2 \nu+\gamma$ the Q-value (energy of the reaction) in MeV (rounded off to one decimal place) is ____ . (Given: Mass of ${ }^{1} \mathrm{H}$ nucleus is 1.007825 u and mass of ${ }^{4} \mathrm{He}$ nucleus is 4.002604 u )
Answer
Answer (as printed): 26.7
The options are missing from the source scan for this question, so there is nothing here for this letter to point at. The letter is what the book printed.