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12 Cards in this Set
- Front
- Back
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What is strange about the way light travels? |
in straight lines |
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What angle would the angle of incidence be if the angle of reflection was 78' |
78' |
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What is Refraction? |
The bending of a wave of light when it enters a medium where its speed is different |
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if light speeds up when travelling from one medium to another will it go away from the normal? |
Yes |
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What is dispersion? |
When light is split into its primary parts through a prism. |
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A convex lens is a -------- lens. The ------- rays converge at one point called the ------- point. Used to test ------sightedness. |
1. Converging 2. Refracted 3. Focal 4. Near |
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A concave lens is a -------- lens. The ------- rays diverge so that they appear to come from one point called the ------- point. Used to test ------sightedness. |
1. Diverging 2. Refracted 3. Focal 4. Far |
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What are all the names of the primary colors?` |
red, green and blue |
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What are all the names of the secondary colors? |
cyan, magenta and yellow
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Sound is caused by what? |
Vibrations |
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Sound travels as a --------- wave. This is converted to a -------- wave on an ------------- trace. |
1.Longitudinal 2. Transverse 3. Oscilloscope |
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West is amplitude, Wave length and Frequency? |
1. The height of the wave from the center line. 2. The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave. 3. Number of waves per second. Measured in Hertz. |
