1.

Why is the project of solar cells not implemented?1). It would not benefit a large number of people.2). It is politically a foolish step to take.3). It is not economically feasible.4). It is scientifically not possible to construct such a device.

Answer»

It is mentioned in the passage 'He is known for making tall claims which are sometimes neither economically viable nor practically possible to implement.For example he gave the idea of installing solar cells along the indo Pak border to check cross border infiltration and PRODUCE solar energy at the same TIME but this idea is nearly impossible as the cost of construction, installation and maintenance is itself will be huge and will return lesser PROFITS.' $Thus option 3 is the correct answer.$



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