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What is a light source?
A light source is something that creates light.
A light source sends out light in beams or in rays.
Light Always travels in straight lines.
Tell about how light reflects onto out eye from an object.
Light travels from a light source onto an object
The light bounces or “reflects” off the object and into our eyes
This is how we see things
What is the differens beetween a smooth surface and a rough surface?
A smooth surface can reflect light well like a mirror.
A rough surface will scatter light reflecing in all directions.
What is a shadow?
When light is stopped or blocked by a solid object, it can not shine trough them.
Opaque objects (ogenomskinlig)
objects that do not allow light to pass trough them and form shadows are called opaque.
Transparent (genomskinlig)
objects that allow ligt to pass trough them are called transparent.
Translucent (genomlysande)
Objects that allow some light to pass trough them are called translucent.
A red light source will make a red ball look red, but a green light source willmake it look black beacause there is no green like reflected.
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