1. Tardigrade
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  4. A person is in front of a fort wall. The person can hear echo of sound produced by him when minimum distance between person and wall is 16.75 m. The velocity of sound in air is

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Q. A person is in front of a fort wall. The person can hear echo of sound produced by him when minimum distance between person and wall is 16.75 m. The velocity of sound in air is

Oscillations

Solution:

$V= \frac{2d}{t} = \frac{2 \times 16.75}{0.1}$