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प्रश्न
Identify the process shown in the figure and name it.
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उत्तर
The given figure is of nuclear fission (Chain reaction).
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संबंधित प्रश्न
What are the advantages of nuclear energy?
Which produces more energy : nuclear fusion or nuclear fission?
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
The 'coolants' which can be used in the reactor of a nuclear power station are:
(a) liquid mercury and nitrogen dioxide
(b) liquid sodium and carbon dioxide
(c) liquid ammonia and carbon monoxide
(d) liquid boron and uranium oxide
One eV (electron volt) of nuclear energy is equivalent of:
(a) 1.6 × 10−14 J
(b) 1.6 × 10−12 J
(c) 1.6 × 10−19 J
(d) 1.6 × 10−13 J
List any four characteristics of a good fuel.
Give a scientific reason.
The construction of turbine is different for different types of power plants.
What do you understand by radioactive decay? An isotope of Uranium `""_92^238 "U"` is radioactive and changes into Thorium 92 by the emission of an alpha particle. Write a symbolic equation for this decay process.
What is a.m.u?
What is the source of energy of sun or stars?
An imaginary radioactive element `"_92X^235` decays to form X1; X2; X3; X4; X5 and X6 nuclides, by ejecting two β-particles, followed by α-particles and again two β-particles, followed by α-particle. Represent the various nuclear changes in the form of an equation. State the mass number and atomic number of X6. List the isotopes and isobars in the above nuclear equation.
What is the effect on the atomic mass and the atomic number of a radioactive element, after the emission of an α-particle?
When an alpha particle gains two electrons it becomes neutral and becomes an atom of an element which is a rare gas. What is the name of this rare gas?
What safety measures and needed in a nuclear power plant?
The disposal of nuclear waste safely is a big challenge before scientists.
Define.
Nuclear fission
Complete the following nuclear changes:
\[\ce {^238_92 P ->\underset{-}-{Q} + ^4_2He->\underset{-}-{R} + ^0_-1e}\]
Why is nuclear fission useful to mankind?
