What is nuclear fission and nuclear fusion?
(N/A) Nuclear fission is a process in which a heavy nucleus,such as $U^{235}$,splits into two smaller,lighter nuclei when bombarded with a neutron. This process releases a significant amount of energy and additional neutrons,which can trigger a chain reaction.
Nuclear fusion is a process in which two light nuclei,such as isotopes of hydrogen ($H^2$ and $H^3$),combine to form a single,heavier nucleus under conditions of extreme temperature and pressure. This process also releases a vast amount of energy,which is the primary source of energy in stars and the Sun.
Nuclear fusion is a process in which two light nuclei,such as isotopes of hydrogen ($H^2$ and $H^3$),combine to form a single,heavier nucleus under conditions of extreme temperature and pressure. This process also releases a vast amount of energy,which is the primary source of energy in stars and the Sun.
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Which of the following is the best neutron moderator compared to all others?
Easy
View SolutionThe fission properties of $_{94}^{239} Pu$ are very similar to those of $_{92}^{235} U$. The average energy released per fission is $180 \; MeV$. How much energy, in $MeV$, is released if all the atoms in $1 \; kg$ of pure $_{94}^{239} Pu$ undergo fission?
Medium
View SolutionConsider the fission of $_{92}^{238} U$ by fast neutrons. In one fission event,no neutrons are emitted and the final end products,after the beta decay of the primary fragments,are $_{58}^{140} Ce$ and $_{44}^{99} Ru$. Calculate the $Q$-value for this fission process. The relevant atomic and particle masses are:
$m(_{92}^{238} U) = 238.05079 \; u$
$m(_{58}^{140} Ce) = 139.90543 \; u$
$m(_{44}^{99} Ru) = 98.90594 \; u$
$m(_{0}^{1} n) = 1.008665 \; u$
$m(_{92}^{238} U) = 238.05079 \; u$
$m(_{58}^{140} Ce) = 139.90543 \; u$
$m(_{44}^{99} Ru) = 98.90594 \; u$
$m(_{0}^{1} n) = 1.008665 \; u$
Medium
View Solution$A$ ${ }_{92} U^{235}$ nucleus absorbs a neutron and disintegrates into ${ }_{54} X e^{139}$,${ }_{38} S r^{94}$,and $X$. What will be the product $X$?
Medium
View SolutionWhat is the energy released by the fission of $1 \, g$ of $U^{235}$?
Medium
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