9. "Thunder and lightning is blessings for plants" How? Explain with
chemical equations.
Answers
Answer:
Thunderstorms, specifically lightning, are good for plants. The air around us is full of nitrogen, but plants cannot absorb this nitrogen from the air. Lightening and rain put this nitrogen into the soil where plants can absorb it. This is why lawns, gardens, and landscapes look so green after a thunderstorm
Explanation:
hope this is useful for you
Answer:
Better clarification with the help of picture
Explanation:
Inside a thundercloud, cold temperatures and air updrafts provide perfect conditions for lightning genesis. Small, super-cooled droplets of water get carried upwards in the cloud by the updrafts, along with small ice crystals. Blobs of denser soft hail (called graupel) are comparatively unmoved or move downwards.
The opposite movement of ice crystals and graupel in the cloud inevitably results in collisions. During these, electrons transfer between the two. As a result, the ice crystals and super-cooled water droplets becoming positively charged, and the graupel negatively charged. With the ice crystals moving up as the graupel moves down, pretty soon there’s a charge difference between the top and bottom of the cloud. The cloud’s top becomes positively charged, while the centre and base become negatively charged.
It’s not just the cloud affected by this process. The accumulation of negative charge in the base of the cloud causes repulsion of electrons below it on the ground. Eventually, the attraction between the negatively charged base and the positively charged ground is large enough for a stream of electrons to jump down from the cloud at approximately 270,000 miles per hour – a lightning strike.
Cloud-to-ground lightning, where lightning strikes the ground, is just one possible result of the charge imbalance in storm clouds. Lightning can also jump between the differently charged regions in clouds without reaching down to the ground at all, or even between separate clouds.
As well as being fast, lightning can heat the surrounding air to an incredibly high temperature. It’s estimated that the temperature of the air channel through which lightning passes can reach up to 30,000˚C – significantly hotter than the surface of the sun. It’s this high temperature that causes the thunder that accompanies lightning strikes. The heating of nearby air causes it to expand rapidly; it then cools and contracts. This creates the sonic shock wave we refer to as thunder.
Because the sound of thunder travels at a much slower speed than the flash of lightning, you can use it to estimate the distance you are from a lightning strike. Sound travels at approximately 343 metres per second in air, so the sound of thunder travels about 1 kilometre in 3 seconds. If you can see the lightning, you can work out how far away the storm is!
