What is Light? - Light Energy

We can see our surroundings because of light energy. Whether light waves are being emitting from a source or being reflected, this form of energy is vital to life on Earth.

Physics - Waves - Learning Points.

Light is an energy that surrounds us, essential for our vision.

Only a fraction of the electromagnetic spectrum is visible to humans.

We mostly see sunlight reflected off objects and surfaces.

Luminance depends on how far light has travelled from the source.
A Twig Curriculum Film.
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