Many optical Illusions, such as what can be created when light passes Ihrough water, are caused by refraction. The law of refrac
tion is also known as Snell's law. It was named after Willebrord Snellius, a Dutch mathematician and astronomer whose discoveries led to our modern
understanding of the relationship between angles and refraction.
reaction - the creation of a new substance
refraction - the bending of a beam of light
replication - the process by which an original element is copied
revolution - the orbit of one object around another
Based on the information, which most likely happens to a beam of light when it passes through water?
1. It copies, or duplicates, itself.
2. It bends, or changes direction.
3. It creates a new light source.
4. It is absorbed and disappears.
Posterity means 'all future generations of people', 'the descendants of a person'. A possible sentence could be: Posterity is a word for those who come after us.
