During a thunderstorm, the thunder in the skies is produced by the 1. Meeting of cumulonimbus clouds in the sky 2. Lightning that separates the nimbus clouds 3. Violent upward movement of air and water particles Select the correct answer using the codes given below

None of the above produces the thunder

QUESTION

Hard

Science & Technology

Prelims 2013

During a thunderstorm, the thunder in the skies is produced by the

Meeting of cumulonimbus clouds in the sky
Lightning that separates the nimbus clouds
Violent upward movement of air and water particles

Select the correct answer using the codes given below

Select an option to attempt

Explanation

Cumulonimbus is an overgrown cumulus cloud, extending from tremendous vertical height from a base of 2000 feet to over 30,000 feet, they are black and white globular masses that take a fantastic range of shapes. They are also referred to as a thunder-cloud and bring convectional rain, accompanied by lightning and thunder. Thunder is the sound caused by a lightning discharge. Lightning heats the air in its path and causes a large over-pressure of the air within its channel. The channel expands supersonically into the surrounding air as a shock wave and creates an acoustic signal that is heard as thunder.

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