Answer :
Different: Sound is mechanical wave and light is electromagnetic wave.
Similar: Both are forms of energy
Similar: Both are forms of energy
SIMILARITIES: Light and sound waves both travel through the air.
Light and sound both bounce off walls.
Light and sound can both be refracted.
DIFFERENCES: Sound has a pitch "measure of the sounds frequency" and light does not have a pitch.
You can see light waves but you can't see sound waves. You can hear sound.
Sound waves need a medium and light does not.