Multiple choice

Why does thunder rumble?

  1. Due to vibrations of multiple echoes

  2. Thunder is produced in succession

  3. Thunder moves with the clouds which are moving all the time

  4. None of these
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A Correct answer
Explanation

Thunder is caused by the rapid expansion of air due to lightning. The sound reflects off various surfaces like clouds, mountains, and buildings, creating multiple echoes that result in the characteristic rumbling sound.

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