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These disturbances are known as "waves". Examples include compression waves in air or other media (i.e., sound), and electromagnetic waves, which can travel both through matter and through empty space.
solids, liquids, gasses
Sound waves travel faster through denser media, like solids, because the molecules are closer together, making it easier to pass the sound from molecule to molecule. Light and other electromagnetic waves travel faster through less dense media, and they travel fastest through a vacuum.
Mechanical waves require media through which they can travel.
Mechanical waves travel fastest in mechanically-most-dense media. Electromagnetic waves travel fastest in optically-least-dense media.
These disturbances are known as "waves". Examples include compression waves in air or other media (i.e., sound), and electromagnetic waves, which can travel both through matter and through empty space.
Mechanical waves require media through which they can travel.
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dense media
solids, liquids, gasses
Waves can travel through many media, depending on their nature. Sound waves can go through solids, liquids and gases. Transverse shock waves can only travel through solids. Electromagnetic waves can go through some solids, liquids or gases, or through a vacuum.
Sound waves travel faster through denser media, like solids, because the molecules are closer together, making it easier to pass the sound from molecule to molecule. Light and other electromagnetic waves travel faster through less dense media, and they travel fastest through a vacuum.
Mechanical waves require media through which they can travel.
A mechanical wave can travel through a medium with mass and elasticity. Examples are air and water (sound waves), earth (earthquakes).
In the same longitudinal form
hey travel through p waves and other ones too
In reflection, the light waves travel within the same media and maintains the same speed but in refraction light waves travel through a different media and so their speed changes.