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Most waves are caused by a vibrating object. Electromagnetic waves may be caused by charged particles.
vibrating waves
standing waves
Waves that travel through a medium are caused by vibration eg sound waves are caused by vibrating drum/ vocal cords etc and this causes the air particles to vibrate; a vibration in a still pond will cause waves of water. However, light, radio waves are radiation. Electromagnetic waves are radiated eg light from the Sun is radiated to Earth through the vacuum of space.
As all EM waves do a constant speed ('c'). If the frequency increases (i.e. the waves are more frequent) the distance between the wave peaks (wavelength) must reduce. For visible light waves, this produces a 'blue shift.'
Most waves are caused by a vibrating object. Electromagnetic waves may be caused by charged particles.
Waves are caused by wind hitting the surface of the water. They are caused by earthquakes too.
Light waves originate from vibrating electrons.
SEISMIC WAVES.Tranverse Waves.
Vibrating objects.
vibrating waves
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standing waves
Waves that travel through a medium are caused by vibration eg sound waves are caused by vibrating drum/ vocal cords etc and this causes the air particles to vibrate; a vibration in a still pond will cause waves of water. However, light, radio waves are radiation. Electromagnetic waves are radiated eg light from the Sun is radiated to Earth through the vacuum of space.
farther away
Basically, they begin with some vibrating object producing that sound.
The wavelength decreases. Frequency and wavelength are inversely related.