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Energy is lost as it travels - thus the wave length grows longer.
This is usually called 'redshift' as the wave radiated from the source shifts towards the less energetic red end of the electromagnetic spectrum (http://en.wikipedia.org/wiki/Electromagnetic_spectrum).
Wikipedia has more information on redshift - http://en.wikipedia.org/wiki/Redshift.
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∙ 15y ago
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Why does the loudness of a sound wave decrease as the wave travels away from its source?
The energy in the sound's vibration dies down, until it is no longer audible.
What happens to the particles in a longitudinal wave as the amplitude increases?
the speed at which the energy travels increases.
What type of wave that travels in one direction but the energy travels perpendicular to this direction?
trough wave
What travels on a mechanical wave?
energy, and not matter
What type of energy travels in a compression wave?
by refraction
What happens when a large wave travels through a small opening?
The wave diffracts and behaves like the opening is a point source.
How do vibrations produce sound?
A sound wave is a transfer of energy as it travels away from a vibrating source.
What happens when a source of energy causes medium to vibrate?
A Wave Forms .
Why does the loudness of a sound wave decrease as the wave travels away from its source?
The energy in the sound's vibration dies down, until it is no longer audible.
Why does the loudness of a sound wave decrease as the wave travels away from it source?
The energy in the sound's vibration dies down, until it is no longer audible.
What is the Difference between wave and tsunami?
A tsunami wave is a wave of energy that travels through water, while a seismic wave is a wave of energy that travels through earth.
What is the difference between tsunami - seismic wave?
A tsunami wave is a wave of energy that travels through water, while a seismic wave is a wave of energy that travels through earth.
What happens to the particles in a longitudinal wave as the amplitude increases?
the speed at which the energy travels increases.
What type of wave that travels in one direction but the energy travels perpendicular to this direction?
trough wave
Which type of energy travels in waves?
An electromagnetic wave, such as light.An electromagnetic wave, such as light.An electromagnetic wave, such as light.An electromagnetic wave, such as light.
Is wave energy a renewable source of energy?
Yes, wave energy (hydro-power) is a renewable source of energy.
What is the source of energy causing the wave?
the source of energy causing the wave is vibration.
