alleryWhich of the following is listed as a problem associated with hydroelectric power plants?
ARelease of radioactive nuclear waste
BEmission of sulphur oxide gas
CSubmerging of villages by water
DGeneration only in daytime hours
Answer & Solution
Correct answer: C. Submerging of villages by water
1. Storing water in a dam creates back-water that can submerge villages, towns, forests and fertile land.
2. This forces displaced people to be rehabilitated.
3. Radioactive waste (option A) is a nuclear problem, not hydroelectric, so it is ruled out.
4. So the correct hydroelectric problem is submerging of villages by water.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 5 "Towards Green Energy", p.63_
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