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प्रश्न
Write the problems associated with hydroelectric power projects.
Write two problems associated with hydroelectric power plant.
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उत्तर
- The back-water due to storage of water in a dam may submerge villages or towns in that area. This leads to the problems of rehabilitation of the displaced population. Moreover, this can also submerge forests as well as fertile land.
- The obstruction of the flow of river water may have an adverse effect on the living world in the river.
संबंधित प्रश्न
Which of the following is not a fossil fuel?
(a) coal
(b) petroleum gas
(c) biogas
(d) natural gas
Of what material are the control rods of a nuclear reactor made?
What do you think is the purpose of the thick, concrete chamber surrounding the reactor of a nuclear power plant?
Why are very high temperatures required for fusion to occur?
What will happen if slow moving neutrons are made to strike the atoms of a heavy element `''235_92U`? What is the name of this process?
Name one installation where such a process is utilised.
How does inserting the control rods in the graphite core affect the fission in the reactor? Explain your answer.
Differentiate between nuclear fission and nuclear fusion.
The heat energy released during nuclear fission and fusion is due to the:
(a) conversion of stored chemicals into energy
(b) conversion of momentum into energy
(c) conversion of mass into energy
(d) conversion of magnetism into energy
'Radioactivity is a nuclear phenomenon'. Comment on this statement.
Write the approximate mass of a proton, neutron and electron in a.m.u.
What is the source of energy of sun or stars?
State, giving reason, whether the following nuclear decay are allowed or not?
\[\ce{_Z^AX ->_Z^{A-1}Y + _-1^0e}\]
A nucleus of an element has the symbol 84P202, and emits an α-particle and then a β-particle. The final nucleus is bQa Find a and b.
A certain nucleus X has a mass number 15 and atomic number 7. Find the number of neutrons. The nucleus X losses one β-particle and Express the change and write the symbol of the new nucleus.
What is nuclear waste? What are hazard of nuclear waste to living beings? How is nuclear waste disposed off?
In nuclear power plants, the chain reaction cannot be controlled.
Answer in one sentence.
Write the demerits of an atomic energy plant.
Discuss problems associated with nuclear power generation.
Atomic power plant in Maharashtra is ______.
