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12 Cards in this Set
- Front
- Back
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What is a Wave?
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a transfer of energy
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What is sound?
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needs vibrations, matter (transmitter, reciever, travels about 340 m/s in room temprature air, faster in solids travels in compressional waves (back and forth)
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What is Amplitude?
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Loudness, shown by height of wave (taller the wave= the louder)
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What is frequency?
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pitch, shown by closeness or crests (closer= higher pitch)
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What is Doppler Effect?
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Change in pitch due to the movement of the object making the sound.
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What is electromagnetic spectrum?
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differant frquencies of energy
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What is light?
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only part of the EMS we can see (doesnt need matter to travel) travels in transverse waves (up and down)
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What is transparent?
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Lets light through, can see through clearly.
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What is translucent?
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lets some light through, cannot see through clearly.
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What is opaque?
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no light passes through, cannot see through.
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What is reflection?
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light bounces off plane, concave or convex mirror.
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What is refraction?
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bending of light as it passes through material like a convex or concave lens.
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