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In Our Nature, Where is the Nuclear Fusion Reaction Taking Place Continuously ?

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प्रश्न

In our Nature, where is the nuclear fusion reaction taking place continuously?

एक शब्द/वाक्यांश उत्तर
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उत्तर

At the sun.

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2015-2016 (March) Set 1

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संबंधित प्रश्न

 

Calculate the energy in fusion reaction:

`""_1^2H+_1^2H->_2^3He+n`, where BE of `""_1^2H`23He=7.73MeV" data-mce-style="position: relative;">=2.2323He=7.73MeV MeV and of `""_2^3He=7.73 MeV`

 

How long can an electric lamp of 100W be kept glowing by fusion of 2.0 kg of deuterium? Take the fusion reaction as

\[\ce{^2_1H + ^2_1H -> ^3_1He + n + 3.27 MeV}\]


Explain the processes of nuclear fission and nuclear fusion by using the plot of binding energy per nucleon (BE/A) versus the mass number A


Write one balanced equation to show Nuclear fission


 In a nuclear reaction

`"_2^3He + _2^3He -> _2^4He +_1^1H +_1^1H + 12.86 Me V` though the number of nucleons is conserved on both sides of the reaction, yet the energy is released. How? Explain.


In a nuclear reactor, what is the function of a moderator?


A slab of stone of area 0.36 m2 and thickness 0.1 m is exposed on the lower surface to steam at 100°C. A block of ice at 0°C rests on the upper surface of the slab. In one hour 4.8 kg of ice is melted. The thermal conductivity of the slab is:
(Given latent heat of fusion of ice = 3.36 × 105 J kg−1)


How long can an electric lamp of 1000 W be kept glowing by fusion of 2.0 kg of deuterium? Take the fusion reaction as:

\[{}_{1}^{2}\mathrm{H}+{}_{1}^{2}\mathrm{H}\rightarrow{}_{2}^{3}\mathrm{He}+\mathrm{n}+3.27\mathrm{MeV}\]


In the fusion reaction \[^{2}_{1}H + ^{2}_{1}H \rightarrow ^{3}_{2}He + n\] which products are formed and how much energy is released?


In the first step of the proton–proton cycle, what is formed when two protons combine, and what is released?


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