MCQ
The total charge of the isolated system is always:
- ANot conserved.
- ✓Conserved.
- CBoth $a$ and $b$.
- DNone.
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$_1{H^2}{ + _1}{H^2}{ \to _1}{H^3} + p$
$_1{H^2}{ + _1}{H^3}{ \to _2}H{e^4} + n$
The masses of the nuclei are as follows :
$M({H^2}) = 2.014\;amu;\;M(p) = 1.007\;amu;$
$M(n) = 1.008\;amu;\;M(H{e^4}) = 4.001\;amu$
If the average power radiated by the star is ${10^{16}}W$,the deuteron supply of the star is exhausted in a time of the order of
