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प्रश्न
Write the demerits of a nuclear energy plant.
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उत्तर
- Improper nuclear-waste storage and disposal can result in environmental contamination.
- Accidental leakage of nuclear radiation can lead to lethal disaster.
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संबंधित प्रश्न
The calorific value and ignition temperature of fuel A are 55 kJ/g and 80°C, respectively. These values for fuel B are 80 kJ/g and 10°C, respectively. On burning, the fuel A produces CO2 and H2O while the fuel B produces CO2 , CO and SO2. Give three points of relative and disadvantages of these two fuels.
Name the moderator used in a nuclear reactor.
The following question are about the nuclear reactor of a power plant.
What is the function of boron rods in the nuclear reactor?
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.
Which produces more energy : nuclear fusion or nuclear fission?
The control rods used in the reactor of a nuclear power plant are made of:
(a) steel
(b) graphite
(c) uranium
(d) boron
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 following equation:
`""_92^235U+_0^1n-> _56^139Ba+_36^94Kr+xc+E`
What does E represent?
The mass numbers of four elements A, B, C and D are 2, 20, 135 and 235, respectively. Which one of them will be most suitable to make:
a hydrogen bomb?
A nuclear power plant is working normally. What would you do if the reactor core suddenly got too hot?
Explain why, in a nuclear reactor, the chain reaction stops if the control rods are fully inserted into the graphite.
Name the following nuclear reaction:
\[\ce {^235_92U +^1_0n-> ^90_38Sr + ^143_54Xe + 3^1_0n + γ}\]
What changes occur in the nucleus of a radioactive element when it emits an alpha particle? Show by an example?
In nuclear power plants, the chain reaction cannot be controlled.
When neutron is bombarded on atom of Uranium-235, it absorbs the neutron and converts into ______.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Express 1 a.m.u. in MeV.
