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प्रश्न
What is stellar energy?
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उत्तर
A fusion reaction that takes place in the cores of the Sun and other stars results in an enormous amount of energy, which is called stellar energy.
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संबंधित प्रश्न
Why are very high temperatures required for fusion to occur?
The following question are about the nuclear reactor of a power plant.
What is the function of boron rods in the nuclear reactor?
Which of the following is used as a moderator in the reactor of a nuclear power station?
(a) liquid sodium
(b) boron
(c) graphite
(d) carbon dioxide
Assertion (A): In the process of nuclear fission, the amount of nuclear energy generated by the fission of an atom of uranium is so tremendous that it produces 10 million times the energy produced by the combustion of an atom of carbon from coal.
Reason (R): The nucleus of a heavy atom such as uranium, when bombarded with low energy neutrons, splits apart into lighter nuclei. The mass difference between the original nucleus and the product nuclei gets converted to tremendous energy.
Complete the following nuclear change:
\[\ce{^24_11 Na -> ...Mg.... + ^0_-1β}\]
What will an alpha particle change into when it absorb two electrons.
What happens to the atomic number of an element when it emits an alpha particle.
What are beta rays and gamma rays?
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Do all isotopes have the same number of neutrons?
Write the merits of nuclear energy.
