explain how does lightning take place
Answers
Answer:
Lightning is an electrical discharge caused by imbalances between storm clouds and the ground, or within the clouds themselves. Most lightning occurs within the clouds. This heat causes surrounding air to rapidly expand and vibrate, which creates the pealing thunder we hear a short time after seeing a lightning flash.
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Answer:
Lightning can be explained in terms of charges produced due to rubbing. During a thunderstorm, the air currents move upwards and the water droplets move downwards. And this caused due to the separation of charge due to this vigorous motion.
As a result of this process, the positive charges collect near the upper edge and the negative charges accumulate near the lower edge of the cloud and also near the ground.
As the charge gets accumulated, its magnitude becomes very large. Water droplets in the air act as a conductor of this charge.
These charges flow to meet, thus producing strikes of lightning and thunder. For this phenomenon to occur, a sufficiently high electric potential between two regions and a high resistance medium must be present.
Sometimes lightning may be seen before the thunder is heard and this is because the distance between the clouds and the surface is very long and the speed of light is much faster than the speed of sound and hence lightning can be seen before the thunder is heard.
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