1.

(i) Write the advantages of solar cells. (ii) Write any two hazards of nuclear power generation.

Answer»

Solution :(i) They have no moving parts.
Require little maintenance and work quite satisfactorily WITHOUT the use of any FOCUSING device.
They can be set up in remote and inaccesible hamlets or
Very sparsely inhabited areas in which LAYING of a powertransmission line may be EXPENSIVE and not commerically viable.
(ii) Improper nuclear waste storage and disposal result in enviromental contamination
There is a risk of accidental leakage of nuclear radiation.


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