Physics, 19.04.2021 01:00, zenzen24

4. A source of sound frequency 600Hz is placed inside water. The speed of sound in water is 1500 ms and in air is 300 ms. The frequency of sound recorded by an observer, who is
standing in air, is

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4. A source of sound frequency 600Hz is placed inside water. The speed of sound in water is 1500 ms...