Observe the figures $A$ and $B$ given below and answer the following questions.
$(i)$ The power generation by the above two methods is non-polluting. True/False.
$(ii)$ List any two applications of solar energy.
$(iii)$ What is a photovoltaic cell?

(N/A) $(i)$ True.
$(ii)$ Two applications of solar energy are:
$(a)$ Electricity generation using solar panels.
$(b)$ Solar water heating systems.
$(iii)$ $A$ photovoltaic cell is a specialized semiconductor device that converts light energy (photons) directly into electrical energy (direct current or $DC$) through the photovoltaic effect.