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Topic 6: Waves - Coggle Diagram
Topic 6: Waves
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Longitudinal
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Require a medium such as gas, liquid or solid. So cannot travel in space
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Reflection
Waves can be absorbed, transmitted or reflected
Rule for reflected waves
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The normal is the imaginary dotted line perpendicular to the surface at the point where the wave hits the surface
Specular
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Nice, clear reflection such as light reflected by a mirror
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Images
Virtual images are formed by virtual rays (such as a mirror image) as either one of the rays on a ray diagram are virtual, the image will therefore be virtual.