In water or other liquids the wave travels across the surface as a difference in height and with a certain period or wavelength.
A wave needs energy to travel.
in light photons are there they have energy and energy can be transfered in form of a wave so, it can be a wave
The wave is called an electromagnetic wave.
A wave of kinetic energy requires a medium to travel though.
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Electromagnetic wave
Sound is a form of mechanical energy and light is electrical. Sound moves as a longitudinal wave and lighty as a transverse wave. Sound cannot travel in free space, light can.
Many things travel in waves: light, energy, water, and sound.
the wave which does not travel through a medium is called electromagnetic wave.
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any wave of energy except for electromagnetic waves need a medium to travel through.
it gets smaller and then there is no more energy to make it travel