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प्रश्न
Write a short note.
Nuclear Power Plant
उत्तर
- In a nuclear power plant, uranium or plutonium are used as fuel.
- Conversion of nuclear energy to thermal energy during the nuclear fission process: During the fission of nuclei of atoms like uranium or plutonium, the nuclear energy is converted to thermal energy.
- Conversion of thermal energy to kinetic energy in steam: This thermal energy is used to heat the water present in a boiler. Steam of very high temperature and pressure is generated and directed on the blades of the turbine.
- Conversion of kinetic energy in steam to kinetic energy in turbine: The kinetic energy produced in the steam is then used to drive the turbine.
- Conversion of kinetic energy in the turbine to electrical energy: The turbine rotates the generator connected to it which in turn produces electrical energy.
Energy transformation in nuclear power plant
APPEARS IN
संबंधित प्रश्न
What are the advantages of nuclear energy?
State whether the fission of uranium-235 is caused by low energy neutrons or high energy neutrons.
What is the nuclear fuel in the sun ?
If 25 atomic mass units (u) of a radioactive material are destroyed in a nuclear reaction, how much energy is released in MeV?
State the disadvantages of nuclear energy.
What is a nuclear reactor? What is the fuel used in a nuclear reactor?
The control rods used in the reactor of a nuclear power plant are made of:
(a) steel
(b) graphite
(c) uranium
(d) boron
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
What do you mean by atomic number?
What is the source of energy of sun or stars?
A radioactive carbon nucleus 6C14 emits a β-particle to form a nitrogen nucleus. Represent the change by an equation showing the atomic and mass number of each elements.
Draw a simplified labelled diagram of a hot cathode ray tube.
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. Represent this change in the form of an equation.
Complete the following fission reaction:
\[\ce{_92U^235 _0n^1 -> _aSb^133 + _41Co^b + 4_0n_1 + energy}\]
Write down the values of a and b.
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?
Copy and complete the nuclear reaction by filling in the blanks.
\[\ce{_92U^235 + _0n^1 -> _56Ba^{\underline{\phantom{....}}} + \underline{\phantom{..}}Kr^92 + 3 _0n^1}\]
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
