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Waves (Electromagnetic waves (What are they? (transverse waves (changing…
Waves
Electromagnetic waves
What are they?
transverse waves
changing electric fields 
changing magnetic fields
speed of light
3*10⁸ mps
do not need medium
invisible
Mechanical Waves
Types
Transverse Waves
wave that causes medium to vibrate at 90 degree angles
Surface Waves
wave which travels along surface
Longitudinal Wave
vibration of medium=parallel to direction
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What are they
disturbance of matter, carries energy
Differences
how they are produced
changing fields
transverse waves
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