Advertisements
Advertisements
प्रश्न
Write the problems associated with hydroelectric power projects.
उत्तर
Problems associated with hydroelectric power plant:
- Villages, towns, forests may submerge due to back-water caused by storage of water in dams. This leads to the forced migration of the living population in that area.
- The obstruction of the flow of river water may have an adverse effect on the living world in the river.
APPEARS IN
संबंधित प्रश्न
Which one of the following is not renewable energy technology?
Name the moderator used in a nuclear reactor.
Why are very high temperatures required for fusion to occur?
In the nuclear reactor of a power plant:
how do control rods control the rate of fission?
Calculate the energy released in joules when 5 g of a material is completely converted into energy doing a nuclear reaction.
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
A nuclear reaction is represented by the following equation:
`""_92^235U+_0^1n-> _56^139Ba+_36^94Kr+xc+E`
Name the process represented by this equation and describe what takes place
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.
Write down the Einstein's mass-energy equivalence relation, explaining the meaning of each symbol used in it.
An atomic nucleus A is composed of 84 protons and 128 neutrons. It emits an α-particle and is transformed into nucleus B. Write down the composition of B.
How many alpha and beta particles are emitted when Uranium nucleus 9U238 decays to Lead If 82Pb206 ?
What safety measures and needed in a nuclear power plant?
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.
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. A radioactive substance is oxidized. What change would you expect to take place in the nature of its radioactivity? Give a reason for your answer.
In the power plant based on nuclear energy, __________ is used to rotate the generator.
When a neutron is bombarded on an atom of uranium, ____________ neutrons generated in this process.
Thermal power generation : Air pollution : : Nuclear power generation : _____________
In atomic power station, ______ is used to rotate the turbine.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
