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प्रश्न
Answer in one sentence.
Write the demerits of an atomic energy plant.
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उत्तर
The main demerits of an atomic energy plant include the production of hazardous, long-lived radioactive waste, the catastrophic risks associated with potential radiation leaks or accidents, and extremely high initial construction and decommissioning costs.
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संबंधित प्रश्न
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
Arrange the following fuels in the order of decreasing calorific values (keeping the fuel with highest calorific value first):
Biogas, Kerosene, Wood, Petrol, Hydrogen gas, Methane
What is the nuclear fuel in the sun ?
What is the source of energy of the sun and other stars?
Which produces more energy : nuclear fusion or nuclear fission?
The 'coolants' which can be used in the reactor of a nuclear power station are:
(a) liquid mercury and nitrogen dioxide
(b) liquid sodium and carbon dioxide
(c) liquid ammonia and carbon monoxide
(d) liquid boron and uranium oxide
Which of the following can be produced during the nuclear fission as well as nuclear fusion reactions?
(a) protons
(b) deutrons
(c) electrons
(d) neutrons
The disposal of waves produced in a nuclear power plant poses a big problem because it is:
(a) too heavy
(b) highly inflammable
(c) extremely foul smelling
(d) highly radioactive
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
One isotopes of uranium has a mass number of 235 and atomic number 92.
(a) What is the number of electrons in a neutral atom of this isotope?
(b) How many protons are there in the nucleus of this isotope?
(c) For another isotope of Uranium state which one of the numbers (238 or 92) changes?
(d) What is the number of protons in 238U?
Distinguish between α, β and γ rays.
Write the approximate mass of a proton, neutron and electron in a.m.u.
A radioactive nucleus undergoes a series of decays according to the sequence
\[\ce{X->[β] X1->[α] X2->[α]X3}\]
If the mass number and atomic number of X3 are 172 and 69 respectively, what is the mass number and atomic number of X?
State charge and mass of β-particle.
An element 92U238 losses one alpha particle, and then one β-particle and then again one β- particle to get the final nucleus bQa.
(i) Write down the values of a and b.
(ii) State the relationship between the nuclei P and Q.
Explain, why nuclear fusion is not being used to meet day to day energy needs.
The disposal of nuclear waste safely is a big challenge before scientists.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
