A specific function of light in the process of photosynthesis is

A specific function of light in the process of photosynthesis is Split water molecules.
In these light-dependent reactions, some energy is used to strip electrons from suitable substances, such as water, producing oxygen gas.
The hydrogen freed by the splitting of water is used in the creation of two further compounds that serve as short-term stores of energy, enabling its transfer to drive other reactions these compounds are reduced nicotinamide adenine dinucleotide phosphate (NADPH) and adenosine triphosphate (ATP), the "energy currency" of cells.