Term
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Definition
visible light in a home, radio waves from a radio station, microwaves, xrays, UV light, gamma-rays |
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Definition
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What is the electromagnetic theory? |
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Definition
the relationship between electricity and magnetism |
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Term
How fast do electromagnetic waves travel? |
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Definition
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Term
what form does an electromagnetic field travel in? |
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Definition
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Term
Are all electromagnetic waves the same size? |
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Definition
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Who was the first to measure the speed of light? |
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Definition
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How did Olaf Romer measure the speed of light? |
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Definition
by studying the moons of Jupiter |
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Term
What's the speed of light? |
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Definition
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Term
How many parts is the electromagnetic spectrum composed of? |
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Definition
7 parts, light is one of them |
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Term
How much output from a lightbulb is light? how much is heat? |
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Definition
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Term
What forms are EM radiation in? |
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Definition
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Term
Cosmic rays are of such high energy, that it takes what to stop them? |
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Definition
a few miles of solid rock |
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Term
Who patented the first wireless radio? |
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Definition
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Term
what was the first wireless radio used for due to lack of amplification technology? |
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Definition
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Term
Where was the first radio station broadcasted from |
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Definition
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Term
What was the first radio network? |
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Definition
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Term
What's the highest and lowest frequency colors? |
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Definition
red - lowest violet - highest |
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Term
what is the unit name when measuring lighting? |
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Definition
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Term
Whats the unit of measurement for direct light? |
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Definition
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Term
whats the measurement for reflected light? |
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Definition
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Term
Is color a property of light? |
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Definition
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