State any three differences between light waves and sound waves?

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Solution

The difference between light waves and sound waves is as follows:
Sound waves Light waves
1) Sound is a longitudinal wave.
1) Light is a transverse wave.
2) Sound requires a material medium.
2) Light does not require a material medium.
3) Sound in air moves at hundreds of meters per second.
3) Light in air moves at hundreds of millions of meters per second.
4) The speed of sound through a medium, depending the material of the medium, can be faster or slower than that in air.
4) The speed of light through materials is less than in a vacuum.

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Sound waves	Light waves
1) Sound is a longitudinal wave.	1) Light is a transverse wave.
2) Sound requires a material medium.	2) Light does not require a material medium.
3) Sound in air moves at hundreds of meters per second.	3) Light in air moves at hundreds of millions of meters per second.
4) The speed of sound through a medium, depending the material of the medium, can be faster or slower than that in air.	4) The speed of light through materials is less than in a vacuum.