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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
One of the following is not a characteristic of a good fuel. This is:
(a) high calorific value
(b) no emission of smoke
(c) smooth burning
(d) high ignition temperature
Which of the following is not a fossil fuel?
(a) coal
(b) petroleum gas
(c) biogas
(d) natural gas
Fill in the following blank with suitable word:
Uranium-235 atoms will split when hit by .......... This is called ...........
Write Einstein's mass-energy equation. Give the meaning of each symbol which occurs in it.
State the disadvantages of nuclear energy.
How is the working nuclear reactor of a power plant shut down in an emergency?
A nuclear reaction is represented by the following equation:
`""_92^235U+_0^1n-> _56^139Ba+_36^94Kr+xc+E`
Name one installation where the above nuclear reaction is utilised.
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?
Explain why, in a nuclear reactor, the chain reaction stops if the control rods are fully inserted into the graphite.
Identify the process shown in the figure and name it.
Name the process used to harness nuclear energy these days. Explain it briefly. List two advantages of using nuclear energy in place of fossil fuels.
In what way are these numbers related to the isotopes of an element?
The element `""_11^24 "Na"` changes to magnesium by the emission of a beta particle. Write down the symbolic equation for the beta emission.
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.
How many alpha and beta particles are emitted when the uranium nucleus 92U238 decays to Lead If 82Pb206?
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. Name the particle emitted.
Thermal power generation : Air pollution : : Nuclear power generation : _____________
Atomic power plant in Maharashtra is ______.
