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Because light travels faster than sound. So the light reaches you first then the sound comes after.

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Why are you hearing thundering after lightning?

A lightning flash travels at the speed of light. The sound of thunder travels much slower. Therefore, we see the flash before we hear the thunder.


Why does thunder ussually occur during storms that have lightning flashes?

The thunder is the sound of lightning but you only hear the thunder after the flash because lightning is faster than the speed of sound.


What is the sound following the flash of lighting?

The sound following the flash of lightning is thunder. Thunder is caused by the rapid expansion and contraction of air surrounding the lightning bolt, creating a sonic shockwave that we hear as a loud rumbling noise.


Clare sees a lightning flash and counts 10 seconds before hearing its thunderclap If the speed of sound in air at sea level is about 730 miles per hour how far away is the lightning?

The speed of sound is approximately 1,125 feet per second (fps). Since Clare counted 10 seconds between the flash and the thunder, the lightning strike is approximately 11,250 feet away. This is equal to about 2.13 miles.


Why do we see lightning before we hear thunder?

We see lightning before we hear thunder because light travels faster than sound. Lightning, which is a flash of light, travels at the speed of light (about 299,792 kilometers per second), while thunder, the sound produced by the rapid expansion of heated air, travels at the speed of sound (approximately 343 meters per second in air). This difference in speeds causes us to see the bright flash of lightning first, followed by the sound of thunder after a delay. The greater the distance from the lightning strike, the longer the delay between seeing the flash and hearing the thunder.

Related Questions

Why do sometimes hear thunder at about the same time you see flash of lightning but other times you hear thunder after the flash?

If you hear the thunder almost at the same time as the lightning flash - the storm is directly overhead. Usually - the sound of thunder arrives a few seconds after the lightning, because light travels much faster than sound.


Why are you hearing thundering after lightning?

A lightning flash travels at the speed of light. The sound of thunder travels much slower. Therefore, we see the flash before we hear the thunder.


What is a jolt of lightning?

A jolt of lightning is a sudden, intense burst of electrical energy generated by a thunderstorm. It is typically visible as a bright flash in the sky and can be accompanied by a loud thunderclap. Lightning strikes can be dangerous and cause damage to structures and harm to living beings.


What is the visible discharge of electricity called?

ligtning po.. its true..


Why do you see thunder after you see the flash of lightning?

You don't see thunder. You hear thunder. You hear thunder after seeing the lightning because light travels faster than sound. The further the storm away is, the bigger the time between when you see the lightning and hear the thunder.


Why does thunder ussually occur during storms that have lightning flashes?

The thunder is the sound of lightning but you only hear the thunder after the flash because lightning is faster than the speed of sound.


What are some Compound words with thunder lightning clap and storm?

thunderthunderclapthunderstormthunderstrucklightninglightning boltclapclapboardthunderclapstormrainstormsandstormhailstormthunderstormfirestormsnowstormbrainstormwindstorm


Why do you see a lightning flash before you hear it?

Because the speed of light is faster than the speed of sound.


What is The loud crashing or rumbling noise heard after a flash of lightning?

Thunder is the loud crashing or rumbling noise heard after a flash of lightning. This happens because lightning heats the air around it, causing it to rapidly expand and create a shock wave that we hear as thunder.


What is the sound following the flash of lighting?

The sound following the flash of lightning is thunder. Thunder is caused by the rapid expansion and contraction of air surrounding the lightning bolt, creating a sonic shockwave that we hear as a loud rumbling noise.


What is heat lightning?

Heat lightning is lightning from a distant thunderstorm. Because of the great distance, you never hear the thunder, and usually do not see the bolt, but rather a flash in distant clouds. It is usually seen at night.


When was Lightning Flash created?

Lightning Flash was created in 1983-06.