The inside surface of a solar collector heats up when light energy (sunlight) hits it and is absorbed and converted to heat energy.
(The inside surface of a solar collector; heats up; T:when light energy (sunlight) hits it and is absorbed and converted to heat energy) (light energy; hits; it)
The inside surface of a solar collector light energy
heats up hits
T:when light energy (sunlight) hits it and is absorbed and converted to heat energy
it