Why is lightning visible before thunder is heard?A Sound travels slower than light can travel.B Sound needs a medium to travel through.C Sound cannot reflect off surfaces as easily as light.D Sound is not processed by the brain as fast as light.
Question
Why is lightning visible before thunder is heard?A Sound travels slower than light can travel.B Sound needs a medium to travel through.C Sound cannot reflect off surfaces as easily as light.D Sound is not processed by the brain as fast as light.
Solution
The reason why lightning is visible before thunder is heard is because light travels faster than sound. This is option A in your list. When a lightning bolt flashes in the sky, the light from it reaches our eyes almost instantly because light travels at a speed of about 299,792 kilometers per second.
On the other hand, sound, including the sound of thunder, travels at a much slower speed of about 343 meters per second in air. This means that the sound of the thunder takes more time to reach our ears than the light from the lightning takes to
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