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sound is a vibration of particles heard by the eardrum, light is a photon (a particle) that flies around and bumps off things. Why? well that is one of the universal, unanswerable questions

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Q: How sound and light travel and why?
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What would not travel thruogh a room with no air is it sound or light?

sound


Does light travel at half the speed of sound?

No. Light travels at about 875 thousand times the speed of sound.


How are light waves and sound waves similar?

light and sound have to be generated from an object! Although light can travel through space with no air, sound can not as it needs something to travel through.You are able to shoot a gun in space and it will not be heard!


Light and sound waves have many similar properties however light waves are what while sound waves are what?

Light waves are eletromagnetic waves and sound waves are mechanical waves. Additionally, a light wave is a transverse wave that does not require a medium through which to travel. Sound waves, on the other hand, are longitudinal waves where the source transfers the mechanical energy of the sound wave into the medium so it can travel.


Differences between light and sound waves?

The differences between light and sound are as follows:Light can be considered to be made of waves as well as particles. Sound is only a wave. It does not show particle nature.Light waves are electromagnetic waves while sound waves are mechanical waves.Light waves are transverse while sound waves are longitudinal.Light waves can travel in vacuum. Sound waves require a material medium to travel, and hence, cannot travel in vacuum.The speed of light in a medium is constant. The velocity of sound waves can change.In sound waves, the particles of the medium actually oscillate. In a light wave, the electric and magnetic vectors oscillate.Light waves can be polarized, but sound waves cannot.Light waves travel much faster than sound waves. The speed of light is a physical constant. Its value is exactly 299,792,458 metres per second in vacuuum. The speed of sound is 343 metres per second in dry air at 20°C.And finally, a simple one - you can see light while you can hear sound.