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waves and lenses

Mr Healy: Mr Healy
Horizontales
Highest energy EM waves
When an object is placed at this distance, no image is formed. (greater than 3F)
Type of waves that electromagnetic waves are.
Concave lenses are this in the middle.
What type of wave is produced when the speed of the source is equal to the speed of the waves
What type of wave is produced when the source speed is greater than the wave speed?
Verticales
Speed at which EM waves travel
Type of waves used by WI-FI.
Orientation of the image if produced by refracted waves
Type of waves used by remote controls