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Light My Way
Electromagnetic Spectrum and Optics
"Light is all around us. It appears at the flick of a switch. Things would be completely different without it, but most of us never give it any thought. Fortunately, there are those that have. This quiz dips into a little of what they have learned."
15 Points Per Correct Answer - No time limit
Johannes Kepler was better known as a mathematician and astronomer. However, in 1604 he did something different. What was it?
He invented the lacemaker's condenser.
He discovered that light contains heat.
He discovered the principles behind the holograph.
He published a book about how light travels.
What is an umbra?
A hat used in South America for shading farmers from the sun.
They are tubes that gases such as neon are sealed in to create lighting.
An area in the eye that perceives color.
It is the middle of a shadow during solar eclipse.
Willebrord Snell solved a problem in 1621. His solution became as 'Snell's Law'. In basic, what is this law?
For every action, there is an equal and opposite reaction.
A dependable way of predicting how far light will bend.
Mirrors do not disperse color, so they are better for use in telescopes than multiple lenses.
What is the 'Brockenspekter'?
It's a long shadow seperated from an object, and once thought to be ghostly.
A shadow cast on a cloud and surrounded by colored rings.
It is the shiny color put off by the back of a compact disc.
It is the comparison of light to sound.
What is white light made from?
intense blue light
very small water droplets
a mixture of many other light colors
just that, white light
Like sound, light travels in waves.
Why is ultraviolet (UV) light able to penetrate and burn skin?
UV has longer wavelengths than visible light.
UV has more energy than visible light.
UV is the same thing as infrared.
UV is a form of radioactivity released by atomic nuclei.
What is light amplification by stimulated emission of radiation?
What is light subtraction?
It is shutting out light beams to create a darkened void.
It is using the color spectrum to see if stars are moving away from Earth.
It is the process of subtraction without borrowing from the next number grouping.
It is how things that do not give off light are colored.
Light must have something to travel through. When traveling through space, it goes through a substance called 'luminiferous ether'.
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Compiled Jun 28 12