properties of lights
when a light waves changes medium both the speed and direction change
- when you put a spoon in the water, the spoon appears to bend at the point enters the water.
- In a river fish position it is not what we see, because the light is refracted into the water at the point of water border with air.
how do you find each tern in your daily life
reflection: seeing in a mirror
refraction: refraction in water
absorption: a apple absorb the red color