A magnifying lens would take all of the light going through it and focus it on a smaller area. This would increase the amount of energy hitting a particular solar panel, which could increase its output. However, it would also increase the heat on the panel, which would decrease the efficiency of the solar panels. It would also decrease the lifetime of the panels. Focusing the sun’s rays is used on passive solar arrays, in the form of mirrors instead of lenses. These focus the sun’s rays on a tower or pipes to heat up some kind of fluid or salt that is then used to power a generator
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