You are given that Mass|NUCLEAR PHYSICS |JEE

JEE MAIN 2020

06.09.20_S1

Question

You are given that Mass of ${ }_3^{\prime} \mathrm{Li}=7.0160 \mathrm{u}$, Mass of ${ }_2^4 \mathrm{He}=4.0026 \mathrm{u}$ and Mass of ${ }_1^1 \mathrm{H}=1.0079 \mathrm{u}$ When 20 g of ${ }_3^{\prime} \mathrm{Li}$ is converted into ${ }_2^4 \mathrm{He}$ by proton capture, the energy liberated, (in kWh ), is [Mass of nucleon $=1 \mathrm{GeV} / \mathrm{c}^2$ ]

Select the correct option:

$1.33 \times 10^6$

$4.5 \times 10^5$

$8 \times 10^6$

$6.82 \times 10^5$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution