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UPSC 2013: 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.
(a)1 only
(b)2 and 3
(c)1 and 3
(d)None of the above produces the thunder
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Not attemptedCorrect Answer: (d) None of the above produces the thunder
Thunder is the sound wave produced by the *sudden, explosive expansion of air* that is super-heated by a lightning discharge; it is **not** caused directly by cloud collisions, by lightning “separating nimbus clouds”, or by the mere upward rush of air and water droplets listed in the statements. Hence none of the three statements explains the production of thunder. ([en.wikipedia.org](https://en.wikipedia.org/wiki/Thunder?utm_source=openai))
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What is the correct answer to this UPSC 2013 Geography question?▼
The correct answer is option (d): None of the above produces the thunder. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Atmosphere & Climatology question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2013, GS Paper 1, as Question 72. It falls under Geography > Atmosphere & Climatology.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Atmosphere & Climatology?▼
UPSC has asked 70 questions from Atmosphere & Climatology (under Geography) across multiple years. Visit the topic page to see the full list and year-wise trends.