Physics sp4 and 5

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11 Terms

1
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Boundary

Where two different materials meet

2
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What happens across a boundary

The frequency stays the same but the wavelength and speed change according to the calculation wave speed = frequency × wavelength

3
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Refraction

Change direction because of a change of speed

4
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Speed of sound in air

330m/s

5
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Are light waves slower or faster when they go from in the air solid such as glass

They are slower because there is a smaller curb

6
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Are sound waves faster or slower when they go from the air to a solid such as glass

Faster because there is a bigger curb

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11
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