A bat emits ultrasonic sound of frequency 1000 kHz in air. If the sound meets a water surface, what is the wavelength of (i) the reflected sound, (ii) the transmitted sound ? Speed of sound in air is 340 `ms^(-1)` and in water `1486 ms^(-1)`.

Explanation

To solve the problem, we need to find the wavelength of the reflected sound and the transmitted sound when a bat emits ultrasonic sound that meets a water surface. We will use the formula for wavelength, which is given by:

\[ \lambda = \frac{V}{\mu} \]

where:
- \(\lambda\) is the wavelength,
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