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Eletromangetic
study for the test
questions | answer |
---|---|
infrared waves | these waves are just below visible lights |
microwaves | need close proximity to transmitter |
Amplitude | The maximum extent of a wave measured from the position of equilibrium |
Trough | The lowest point on a wave is called the tough |
Waves | A distance that travels through space and matter |
Spectroscopy | A measurement technique which allows astronomers to see light that is absorbed, emitted, or scattered by materials |