Choose the correct option to complete the net effect of the fusion reaction that occurs in the Sun: $4_1^1H + 2e^- \rightarrow$ . . . . . . $+ 2\nu + 6\gamma +$ . . . . . .
- A$^3_2He, 5.49 \text{ MeV}$
- B$^4_2He, 26.7 \text{ MeV}$
- C$^4_2He, 22.86 \text{ MeV}$
- D$^3_2He, 0.42 \text{ MeV}$
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Similar Questions
$A$ nucleus of uranium decays at rest into nuclei of thorium and helium. Then:
MediumAIPMT 2015
View SolutionIf each fission in a $U^{235}$ nucleus releases $200 \, MeV$, how many fissions must occur per second to produce a power of $1 \, kW$?
Difficult
View SolutionMatch the $\text{LIST-I}$ with $\text{LIST-II}$:
$A. \text{ } _0^1 n + { }_{92}^{235} U \rightarrow { }_{54}^{140} Xe + { }_{38}^{94} Sr + 2_0^1 n$ $I. \text{ Chemical reaction}$ $B. \text{ } 2H_2 + O_2 \rightarrow 2H_2O$ $II. \text{ Fusion with } +ve \ Q \text{ value}$ $C. \text{ } _1^2 H + _1^2 H \rightarrow _2^3 He + _0^1 n$ $III. \text{ Fission}$ $D. \text{ } _1^1 H + _1^3 H \rightarrow _1^2 H + _1^2 H$ $IV. \text{ Fusion with } -ve \ Q \text{ value}$
Choose the correct answer from the options given below:
| $A. \text{ } _0^1 n + { }_{92}^{235} U \rightarrow { }_{54}^{140} Xe + { }_{38}^{94} Sr + 2_0^1 n$ | $I. \text{ Chemical reaction}$ |
| $B. \text{ } 2H_2 + O_2 \rightarrow 2H_2O$ | $II. \text{ Fusion with } +ve \ Q \text{ value}$ |
| $C. \text{ } _1^2 H + _1^2 H \rightarrow _2^3 He + _0^1 n$ | $III. \text{ Fission}$ |
| $D. \text{ } _1^1 H + _1^3 H \rightarrow _1^2 H + _1^2 H$ | $IV. \text{ Fusion with } -ve \ Q \text{ value}$ |
Choose the correct answer from the options given below:
$A$ power of $100 \ W$ is produced by the fission of $1 \ kg$ of $^{235}U$. For approximately how long will the energy production continue?
Medium
View Solution$A$ $\gamma$-ray photon creates an electron-positron pair. If the rest mass energy of an electron is $0.51 \, MeV$ and the total kinetic energy of the electron-positron pair is $0.78 \, MeV$,then the energy of the $\gamma$-ray photon in $MeV$ is:
Easy
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