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Homework

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Refraction is the bending of a wave as it crosses the boundary between two media at where   an angle  
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water travels what is deeper water than in shallow water   faster  
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the wave is moving _______ to the wave front   pendicularwhen sound is traveling through air of uneven temperatures  
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light travels _________ in air   faster  
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two expamles of refraction using light   swimming pool appears shallower, and a pencil in a glass of water appears bent  
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when does sound refraction occur   uneven wind or when sound is traveling through air of uneven temperatures  
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What causes mirage   by the refraction of light in Earth's atmosphere  
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true/false: a mirage is not a "trick of the mind"   truethe separtion of light into a range of colors according to their frequenceies  
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what is dispersion   the separtion of light into a range of colors according to their frequenceies  
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each color frequencey has its own...   average speed  
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To see a rainbow what needs to happen   the sun must be shining in part of the sky, and the water droplets in a cloud or in falling rain be in the opposite part of the sky  
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shape of a rainbow in the sky(from an airplane)   a circle  
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the inside the rain drop is both   refracted and reflected  
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Total internal reflection occurs when   the angle of incidence is larger than the critical angle  
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the critical angle is the angle of what   incidence (90)  
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Created by: naadams
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