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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For the nuclear fusion reaction ${ }_1^2 H +{ }_1^3 H \rightarrow{ }_2^4 He +{ }_0^1 n$,the temperature to which the gases must be heated is $3.7 \times 10^9 \, K$. The potential energy between two nuclei is closest to ........ $J$ (Boltzmann's constant $k = 1.38 \times 10^{-23} \, J/K$).
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View SolutionThe isotope ${}_{5}^{12}B$ having a mass $12.014 \text{ u}$ undergoes $\beta$-decay to ${}_{6}^{12}C$. ${}_{6}^{12}C$ has an excited state of the nucleus $({}_{6}^{12}C^*)$ at $4.041 \text{ MeV}$ above its ground state. If ${}_{5}^{12}B$ decays to ${}_{6}^{12}C^*$, the maximum kinetic energy of the $\beta$-particle in units of $\text{MeV}$ is ($1 \text{ u} = 931.5 \text{ MeV}/c^2$, where $c$ is the speed of light in vacuum).
The explosive in a Hydrogen bomb is a mixture of ${ }_1 H^2, { }_1 H^3$ and ${ }_3 Li^6$ in some condensed form. The chain reaction is given by:
${ }_3 Li^6 + { }_0 n^1 \rightarrow { }_2 He^4 + { }_1 H^3$
${ }_1 H^2 + { }_1 H^3 \rightarrow { }_2 He^4 + { }_0 n^1$
During the explosion,the energy released is approximately:
[Given: $M(Li^6) = 6.01690 \ amu, M({ }_1 H^2) = 2.01471 \ amu, M({ }_2 He^4) = 4.00388 \ amu$,and $1 \ amu = 931.5 \ MeV$] (in $MeV$)
${ }_3 Li^6 + { }_0 n^1 \rightarrow { }_2 He^4 + { }_1 H^3$
${ }_1 H^2 + { }_1 H^3 \rightarrow { }_2 He^4 + { }_0 n^1$
During the explosion,the energy released is approximately:
[Given: $M(Li^6) = 6.01690 \ amu, M({ }_1 H^2) = 2.01471 \ amu, M({ }_2 He^4) = 4.00388 \ amu$,and $1 \ amu = 931.5 \ MeV$] (in $MeV$)
DifficultJEE MAIN 2024
View SolutionPick out the unmatched pair from the following $:-$
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View SolutionWhat are control rods in a nuclear reactor?
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