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प्रश्न
Write the merits of nuclear energy.
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उत्तर
A nuclear power plant does not use fossil fuel like coal. Therefore, problems like air pollution do not arise.
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संबंधित प्रश्न
Which of the following is not an example of a bio-mass energy source?
What is a fuel? Give five examples of fuels.
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.
The fuel having a calorific value of 55 kJ/g is likely to be:
(a) biogas
(b) methane gas
(c) hydrogen gas
(d) natural gas
What is nuclear fusion? Explain with an example. Write the equation of the reaction involved.
What is the nuclear fuel in the sun ?
The following question are about the nuclear reactor of a power plant.
Will the fuel rods last for ever?
How does inserting the control rods in the graphite core affect the fission in the reactor? Explain your answer.
One type of energy which has not been controlled so far is:
(a) ocean thermal energy
(b) nuclear fusion energy
(c) geothermal energy
(d) nuclear fission energy
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.
Which of the following statements are correct?
Electrons have
'Radioactivity is a nuclear phenomenon'. Comment on this statement.
Name the following nuclear reaction:
\[\ce {^3_1H + ^2_1H -> ^4_2He + ^1_0n + γ}\]
What changes occur in the nucleus of a radioactive element when it emits an alpha particle? Show by an example?
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.
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Find the number of electrons in the neutral atom of this isotope.
In nuclear power plants, turbines working on solar panels are used.
Write a short note.
Problems due to nuclear power plant
When neutron is bombarded on atom of Uranium-235, it absorbs the neutron and converts into ______.
