Question

12.

A solar heater uses energy from the Sun to heat water. The panels of the heater are painted black.
Why is this?

Answer 1

Solar water heaters are devices that use energy from the sun to heat water. ... This metal surface, placed in contact with the water, will heat the water. Black-painted surfaces that receive the sun's heat become hotter than surfaces of any other color. The black metal plate is called a collector.