Refraction is the change in direction of a wave, caused by the change in the wave's speed. Examples of waves include sound waves and light waves. Refraction is seen most often when a wave passes from one transparent medium to another transparent medium. Different types of medium include air and water. When a wave passes from one transparent medium to another transparent medium, the wave will change its speed and its direction. For example, when a light wave travels through air and then passes into water, the wave will slow and change direction.
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Explanation:
331 m/s / 2.5e4 cyc/s = 0.01324 m ≈ 1.3 cm
Dendrites, the cell body, axon, terminal branches of the axon
Well, Air resistance is a special type of friction (you cannot classify it in other categories). That force of air-resistance is often observed to oppose the motion of the object,( like every other frictional forces)
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the area bounded by the line and the axes of a velocity-time graph is equal to the displacement of an object during that particular time period
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