NABCEP PV Installation Professional Practice Exam

Solar radiation refers to the electromagnetic radiation that the sun emits across various wavelengths. This includes not only light that is visible to the human eye but also ultraviolet (UV) rays and infrared radiation, which are outside the visible spectrum.

The sun's energy is vital for various processes on Earth, including photosynthesis in plants and solar energy generation through photovoltaic systems. This radiation can be harnessed and converted into electricity using solar panels, making it a fundamental aspect of solar energy technology.

While heat emitted by the Earth is related to thermal radiation, it does not encompass the broader definition of solar radiation originating directly from the sun. Nuclear radiation pertains to radioactive decay and is unrelated to the sun’s emissions. Electricity generated by solar panels, while a key outcome of harnessing solar radiation, does not define what solar radiation itself is.

In this context, understanding solar radiation is crucial for effectively capturing and utilizing solar energy for various applications, including powering homes and businesses.