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A radio station broadcasts at a frequency of . If the broadcast is an electromagnetic wave, then what is its wavelength?
The relationship between wavelength and frequency is given by the equation , where
is the wavelength,
is the speed of light, and
is frequency.
We are given the values for frequency and the speed of light, allowing us to solve for the wavelength.
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In seismology, the wave is a transverse wave. As an
wave travels through the Earth, the relative motion between the
wave and the particles is
Transverse waves are waves whose particles travel perpendicular to the direction that the wave itself is traveling. Electromagnetic waves are another example of transverse waves.
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In seismology, the wave is a longitudinal wave. As an
wave travels through the Earth, the relative motion between the
wave and the particles is
Longitudinal waves are waves whose particles travel parallel to the direction that the wave itself is traveling. Sound waves are another example of longitudinal waves.
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Which of the following waves require a medium to travel?
Electromagnetic waves are the only type of wave that do not require a medium to travel. Light, radio and microwaves are examples of electromagnetic waves. Sound does require a medium to travel. In a vacuum sound waves cannot travel as there is no air to compress.
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In a vacuum, the velocity of all electromagnetic waves
Electromagnetic waves all travel at the same speed which is the speed of light. The speed of light in a vacuum is nearly
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