The binding energy of a deuteron is $2.2 \, MeV$ and the binding energy of $_2^4He$ is $28 \, MeV$. If two deuterons fuse to form a $_2^4He$ nucleus,the energy released is ...... $MeV$.
- A$23.6$
- B$19.2$
- C$30.2$
- D$25.8$
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In the proton-proton cycle, four hydrogen nuclei combine to release energy of ....... $MeV$.
Easy
View SolutionWhen a uranium isotope ${ }_{92}^{235} U$ is bombarded with a neutron,it generates ${ }_{36}^{89} Kr$,three neutrons and:
Match the nuclear processes given in column $I$ with the appropriate option$(s)$ in column $II$.
Column $I$ Column $II$ $A$. Nuclear fusion $P$. Absorption of thermal neutrons by ${}_{92}^{235}U$ $B$. Fission in a nuclear reactor $Q$. ${}_{27}^{60}Co$ nucleus $C$. $\beta$-decay $R$. Energy production in stars via hydrogen conversion to helium $D$. $\gamma$-ray emission $S$. Heavy water $T$. Neutrino emission
| Column $I$ | Column $II$ |
|---|---|
| $A$. Nuclear fusion | $P$. Absorption of thermal neutrons by ${}_{92}^{235}U$ |
| $B$. Fission in a nuclear reactor | $Q$. ${}_{27}^{60}Co$ nucleus |
| $C$. $\beta$-decay | $R$. Energy production in stars via hydrogen conversion to helium |
| $D$. $\gamma$-ray emission | $S$. Heavy water |
| $T$. Neutrino emission |
Find the value of $x$ and $y$ in the following nuclear reaction:
${}_{92}^{235} U + {}_{0}^{1} n \rightarrow {}_{x}^{133} Sb + {}_{41}^{y} Nb + 4 {}_{0}^{1} n$
${}_{92}^{235} U + {}_{0}^{1} n \rightarrow {}_{x}^{133} Sb + {}_{41}^{y} Nb + 4 {}_{0}^{1} n$
If all the helium in a star is converted into oxygen in its core,the energy released per oxygen nucleus is...........$MeV$?
[Mass of $He = 4.0026 \, a.m.u.$,Mass of $O = 15.9994 \, a.m.u.$]
[Mass of $He = 4.0026 \, a.m.u.$,Mass of $O = 15.9994 \, a.m.u.$]
Medium
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