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| how can a straight line result from two lines interfering with each other? |
in destructive interference, two waves can cancel each other out of the crest of one wave lines up with the trough of the other wave |
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jnc Wed, 10 Feb 2010 23:37:58 GMT |
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| two places that you might find surface waves... |
ocean or a lake |
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jnc Wed, 10 Feb 2010 23:37:58 GMT |
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| what is frequency and what unit is used when measuring frequency |
frequency refers to how often an event occurs-for waves it refers to the number of cycles that pass an observer in a given amount of time. it is measured in hertz (# of cycles per second) |
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jnc Wed, 10 Feb 2010 23:37:58 GMT |
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| from which points do you measure amplitude? |
from the resting point to the crest or the resting point to the trough |
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jnc Wed, 10 Feb 2010 23:37:58 GMT |
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| give an example of constructive interference from the wave lab |
spring forward-when both people moved their arms the same way the wave became even bigger |
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jnc Wed, 10 Feb 2010 23:31:20 GMT |
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| give two examples of a medium that light waves might travel through |
air or water |
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jnc Wed, 10 Feb 2010 23:31:20 GMT |
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| medium |
a substance or material that carries a wave-consists of parts that interact with each other (think of a slinky-each part moves) |
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jnc Wed, 10 Feb 2010 23:31:20 GMT |
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| destructive interference |
when multiple waves combine together to disrupt original waves-causing an even smaller wave or no wave at all (the crest of one wave lines up with the trough of another wave) |
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jnc Wed, 10 Feb 2010 23:31:20 GMT |
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| constructive interference |
when multiple waves combine together to create one even bigger wave (the crests line up) |
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jnc Wed, 10 Feb 2010 23:23:59 GMT |
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| interference |
when two or more waves arrive at the same place at the same time, they interact in a process called interference |
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jnc Wed, 10 Feb 2010 23:23:59 GMT |
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| rarefactions |
a point where the coils are spread apart |
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jnc Wed, 10 Feb 2010 23:23:59 GMT |
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| compressions |
a region where coils are pressed together |
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jnc Wed, 10 Feb 2010 23:23:59 GMT |
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| transverse waves |
a wave where particle motion is PERPENDICULAR to wave motion |
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jnc Wed, 10 Feb 2010 23:20:32 GMT |
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| surface waves |
waves that travel in a circular motion (these are found on the surface/top of oceans) |
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jnc Wed, 10 Feb 2010 23:20:32 GMT |
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| longitudinal wave |
a wave where particle motion is PARALLEL to wave motion |
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jnc Wed, 10 Feb 2010 23:20:32 GMT |
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| what is a wave and what is transferred through a wave? |
a wave is a disturbance that travels through air water or etc. energy is transferred through a wave. |
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jnc Wed, 10 Feb 2010 23:20:32 GMT |
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