Reflection, Refraction, and Beams
Light is mostly absorbed in opaque objects such as blocks, but a little is absorbed in translucent objects such as curtains. None is absorbed in transparent objects,such as glass.
when something is completely clear and you can see through it, such as air.
When something lets a small bit of light through and also blocks a bit, such as curtains.
When light is bent, such as when a raindrop refracts light to create a rainbow