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प्रश्न
Write a short note.
Problems due to nuclear power plant
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उत्तर
- Improper nuclear-waste storage and disposal result in environmental contamination.
- Accidental leakage of nuclear radiation can lead to lethal disaster.
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संबंधित प्रश्न
Name the type of nuclear reaction which is involved in the working of:
an atom bomb.
In the nuclear reactor of a power plant:
how do control rods control the rate of fission?
Name five places in India where nuclear power plants are located.
Differentiate between nuclear fission and nuclear fusion.
The heat energy released during nuclear fission and fusion is due to the:
(a) conversion of stored chemicals into energy
(b) conversion of momentum into energy
(c) conversion of mass into energy
(d) conversion of magnetism into energy
A nuclear reaction is represented by the equation:
`""_1^2H+_1^2H->_2^3He+xc+E`
What does E represent?
A nuclear reaction is represented by the equation:
`""_1^2H+_1^2H->_2^3He+xc+E`
State two conditions under which such a reaction takes place.
Give scientific reasons.
The construction of turbine is different for different types of power plants.
Make the correct choices in the following:
(a) In one atom of copper (mass number 63, atomic number 29) there are
'Radioactivity is a nuclear phenomenon'. Comment on this statement.
A certain nucleus X has a mass number 14 and atomic number 6. The nucleus X changes to `"_7Y^14` after the loss of a particle. A radioactive substance is oxidized. What change would you expect to take place in the nature of its radioactivity? Give a reason for your answer.
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
What is the number of protons in 92U238?
When a neutron is bombarded on an atom of uranium, ____________ neutrons generated in this process.
In nuclear power plants, neutrons are bombarded on atoms of __________.
Which substance is used as fuel in nuclear power plants?
One of the atomic power stations is located in ______.
Name the nuclear radiation which has the highest ionizing power.
Complete the following nuclear changes:
\[\ce {^238_92 P ->\underset{-}-{Q} + ^4_2He->\underset{-}-{R} + ^0_-1e}\]
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Why is nuclear fission useful to mankind?
