2-1: Waves and the Electromagnetic Spectrum. What causes waves? What are the basic properties of waves? What does an electromagnetic wave consist of? What are the waves of the electromagnetic spectrum?. What is a wave?. A wave is a disturbance that transfers energy from place to place
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What causes waves?
What are the basic properties of waves?
What does an electromagnetic wave consist of?
What are the waves of the electromagnetic spectrum?
Crest = Highest point of wave.
Amplitude = Wave height, or how far a wave moves from its rest position.
Trough = Lowest point of wave.
Frequency = number of complete waves that pass a given point in a certain amount of time
Transfer energy but do not require a medium
Has vibrating electric and magnetic fields that move through space at the speed of light
Example: light, x-rays
RED, ORANGE, YELLOW, GREEN, BLUE, INDIGO, VIOLET
How does visible light interact with an object?
What determines the color of an opaque object?