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What else can I help you with?
What are waves that have wavelengths between one thousandth and 0.7 millionths of a meter known as?
known as infrared waves:)
If seven wavelengths pass in one second - what is the frequency?
7 hertz. Since frequency of the wave motion is defined as the number of waves ie number of wavelengths crossing a particular point in the medium in one second.
If two waves are traveling at the same speed what will be true about their wavelengths?
Nothing in particular. Red light, green light, and FM radio signals all travel at the same speed, but there's no connection among their wavelengths. The sounds of the tuba, guitar, and piccolo all travel at the same speed from the stage to your ear, but there's no particular relationship among their wavelengths. I guess you could say that if two waves are traveling at the same speed through the same medium ... or through the same absence of any medium ... then the waves are both manifestations of the same physical phenomenon or wave-generating process. But that doesn't say anything about their wavelengths.
What is the main difference between body waves and surface waves?
Surface waves travel slower than body waves.
The distance between two waves is called?
A Wavelength.
