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সাধারণ জ্ঞান বিষয়ক বিস্তারিত তথ্য
By shanta
#8885
1. Florida is the lightning capital of the U.S., averaging thunderstorms 70-100 days per year.
2. The speed of lightning is 270,000 mph.
3. Lightning is an electrical discharge caused by imbalances between storm clouds and the ground, or within the clouds themselves.
4. You can’t have thunder without lightning.
5. Lightning creates heat hotter than the sun.
6. Lightning finds the fastest route to Earth
7. A single lightning bolt can have as much as 1 billion Joules of energy.
8. Lightning can strike up to 25 miles away from the storm’s center.
9. In Florida on average, lightning kills 10 and injures 40 people per year.
10. Lightning strikes during thunderstorms kill more Americans yearly than tornadoes or hurricanes.
11. When lightning strikes sand or sandy soil, it fuses together the grains to create a small glass-like tube known as a fulgurite.
12. Lightning is extremely hot—a flash can heat the air around it to temperatures five times hotter than the sun’s surface.
13. Lightning strikes can explode a tree
14. Crouching doesn’t make you any safer outdoors.
15. Technically, lighting itself doesn’t have a tempera-ture.
16. A lightning bolt is 5 times hotter than the sun
17. Lightning bolts can travel up to 5 km from inside a cloud to strike at the ground.
18. People with asthma are at greater risk of an attack during summer thunderstorms.
19. Bolts Are Long but Incredibly Skinny
20. In Venezuela, there’s something called “Cata-tumbo” lightning, where there’s almost constant lightning strikes, averaging over 100 strikes per hour.
21. In the U.S. on average, lightning kills 93 and in-jures 300 per year.
22. When lightning strikes sand or sandy soil, it fuses together the grains to create a small glass-like tube known as a fulgurite.
23. Standing underneath or near a tree is the second most dangerous place to be during a thunderstorm; the most dangerous is being outside in an open space.
24. Lightning strikes 8.6 million times a day
25. Lightning strikes hundreds of times per hour over one South American lake.
26. Lightning often strikes the same place repeatedly, especially if it’s a tall, pointy, isolated object. The Empire State Building is hit an average of 23 times a year
27. Lightning bolts are not very wide.
28. Scientists have recorded bursts of low-frequency radio waves accompanying lightning strikes.
29. Lightning discharges occur about 8 million times a day worldwide.
30. An estimated 44 lightning bolts erupt around the world every single second.
31. A Lake in Venezuela Experiences the Most Light-ning per Year.
32. A single lightning bolt can power an incandescent light bulb for six months.
33. Most people are struck by lightning before it starts raining or after it stops raining.
34. Lightning can initiate forest fires by heating up dry vegetation.
35. Lightning can occur between clouds, within clouds, or between clouds and the ground.
36. A house is a safe place to be during a thunder-storm as long as you avoid anything that conducts electricity.
37. “Red sprites” are electrical discharges that occur above thunderstorms and extend into space.
38. Cameras aren’t actually effective at capturing light-ning.
39. Lightning can influence chemical reactions in the atmosphere, affecting ozone levels.
40. Light travels at a staggering 186,282 miles per second. But sound travels much slower at about 1 mile every 5 seconds.
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