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प्रश्न
What changes occur in the nucleus of a radioactive element when it emits an alpha particle? Show by an example?
उत्तर
\[\ce{\underset{\text{92 protons 146 neutrons}}{_92^238U}
->\underset{\text{90 protons 144 neutrons}}{_90^234Th} +\underset{\text{2 protons 2 neutrons}}{_2^4He}}\]
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संबंधित प्रश्न
Which particles bring about the fission of uranium-235?
Nuclear fission reactions are not a source of energy for one of the following. This is:
(a) atom bomb
(b) power plants
(c) sun
(d) pacemaker
A radioactive nucleus undergoes a series of decays according to the sequence
\[\ce{X->[β] X1->[α] X2->[α]X3}\]
If the mass number and atomic number of X3 are 172 and 69 respectively, what is the mass number and atomic number of X?
The nucleus of an atom does not contain electrons. Explain how is it possible for the nucleus to emit a beta particle which is fast moving electron.
What happens to the atomic number of an element when it emits an alpha particle.
The nucleus B emit a β-particle and is transformed into nucleus C. What is the composition of C?
When a neutron is bombarded on an atom of uranium, ____________ neutrons generated in this process.
Hydroelectric power station : Water stored in dams : : Nuclear power station : ____________
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
