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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.
APPEARS IN
संबंधित प्रश्न
Which of the following is not a fossil fuel?
(a) coal
(b) petroleum gas
(c) biogas
(d) natural gas
State whether the fission of uranium-235 is caused by low energy neutrons or high energy neutrons.
The following question are about the nuclear reactor of a power plant.
Will the fuel rods last for ever?
In a nuclear power plant, coolant is a substance:
(a) which cools the hot, spent steam to condense it back to water
(b) which transfers heat from reactor to water in heat exchanger
(c) which is boiled to make steam to turn the turbine
(d) which cools the generator coils to prevent their overheating.
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?
Make the correct choices in the following:
(a) In one atom of copper (mass number 63, atomic number 29) there are
Which of the following statements are correct?
Electrons have
The element X has an atomic mass number of 238 and an atomic number
of 92. It emits an alpha particle forming an element y. Y can be represented
by
What do you understand by radioactive decay? An isotope of Uranium `""_92^238 "U"` is radioactive and changes into Thorium 92 by the emission of an alpha particle. Write a symbolic equation for this decay process.
Write the approximate mass of a proton, neutron and electron in a.m.u.
Name the following nuclear reaction:
\[\ce {^3_1H + ^2_1H -> ^4_2He + ^1_0n + γ}\]
How does the position of an element change in the periodic table when it emits out a beta particle?
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.
An element X has the symbol 84X202. It emits an alpha-particle and then a beta-particle. The final nucleus is bYa. Find a and b.
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Mention the relationship between 92U235 and 92U238.
In nuclear power plants, neutrons are bombarded on atoms of __________.
Nuclear power plants in India
In nuclear power plants, turbines working on solar panels are used.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
