Question

relation between light and sound in lighting process

Answer 1

The relationship between sound and light is like sea and earth.

Sound is the various waves of sine wave signals, and it arrives to human ears like the wave of ocean hit the shore.

Light is also a form of wave that is visible on human eyes, and brings life on every creatures on the earth.

The sound of heaven and earth mingles with the light of the sun and the moon.

That’s how existence of the Earth continues across the Universe.

Answer 2

Both travelled to the earth but light speed is More in atmospher than sound

So light is seen firstly because of its heigher speed in air