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1.
Johannes Kepler was better known as a mathematician and astronomer. However, in 1604 he did something different. What was it? |
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2.
What is an umbra? |
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3.
Willebrord Snell solved a problem in 1621. His solution became as 'Snell's Law'. In basic, what is this law? |
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4.
What is the 'Brockenspekter'? |
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5.
What is white light made from? |
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6.
Like sound, light travels in waves. |
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7.
Why is ultraviolet (UV) light able to penetrate and burn skin? |
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8.
What is light amplification by stimulated emission of radiation? |
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9.
What is light subtraction? |
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10.
Light must have something to travel through. When traveling through space, it goes through a substance called 'luminiferous ether'. |
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