16 Questions
What did Archimedes develop to potentially burn enemy ships?
Archimedes developed a plan to reflect light to burn enemy ships.
Who believed that light beams came from a person's eyes in straight lines?
Pythagoras believed that light beams came from a person's eyes in straight lines.
What did Euclid write a book about?
Euclid wrote a book called Optiks about the geometry of light and seeing.
Who described that light beams bend when they go from air to glass?
Ptolemy described that light beams bend when they go from air to glass.
Who was the first to accurately describe how vision worked and that light bounces off objects then travels to the eye?
al-Haytham was the first to accurately describe how vision worked and that light bounces off objects then travels to the eye.
What did Sir Isaac Newton discover when light passes through a prism?
Sir Isaac Newton discovered that when light passes through a prism, it is split up into different colors.
Who was able to determine the speed of light by examining the moon IO as it revolved around Jupiter?
Ole Roemer was able to determine the speed of light by examining the moon IO as it revolved around Jupiter.
What is a light-year and how is it defined?
A light-year is a unit of distance defined by how far a beam of light travels in one year in a vacuum. 1 light year = 9.64 trillion miles.
What are some examples of optical devices that use light?
Some examples of optical devices that use light are fibre optic cable, computers in pin and chip machines, light bulbs, solar powered devices, and medicine tools like lasers for incisions and brain imaging.
Who is credited with creating the world's first eyeglasses to correct vision?
Alessandro della Spina, an Italian Monk in 1300 A.D., is credited with creating the world's first eyeglasses to correct vision.
Ole Roemer was able to determine the speed of ______ by examining the moon IO as it revolved around Jupiter. He determined it to be 227,000 km/s. Lower than the actual of 300,000 km/s. ALBERT A. MICHELSON Albert Michelson used a three-sided mirror, ______ source and an observer to calculate the speed of ______. By spinning the mirror and using mathematics he was able to determine the speed of ______ to be 299,798 km/s. He presumably did this between hilltops spread great distances. Light Year A ______-year is a unit of distance, not time. A ______-year is how astronomer measure distance in space.
light
Archimedes developed a plan to reflect light to burn enemy ships. However, this has neither been proven or disproved. Recent experiments have shown that if it is true, the worst an enemy ship would receive is a small ______.
burn
Pythagoras believed beams came from a person’s eyes in straight lines. When they hit the object, that object was seen. Problem: that would make the assumption you would be able to see objects in the ______.
dark
Euclid wrote a book called Optiks about the geometry of light and seeing. Euclid used his observations of light in the world around him to make some predictions about light rays: - Light rays are straight lines. - You see an object in a particular direction because light rays come from that ______.
direction
Ptolemy - astronomer who described that light beams bend when they go from air to glass. Today we refer to this as ______.
refraction
Al-Haytham was the first to accurately describe how vision worked and that light bounces off objects then travels to the eye - thus Pythagoras’ theory was ______.
dismissed
Test your knowledge of the history and principles of light and optical systems with this quiz. Explore the early studies of light by Greek scientist Archimedes and the attempts of Pythagoras to explain vision. Delve into the fascinating world of light and its challenges.
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