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Asked by Atharva Last Modified
Answer As an experienced tutor registered on UrbanPro, I'd be glad to help you with this physics problem!
When a sound wave encounters a boundary between two different mediums, such as air and water, it undergoes changes in its properties. Let's solve the problem step by step.
(a) The wavelength of the reflected sound: We can use the formula:
Given that the frequency of the sound emitted by the bat is 1000 kHz1000kHz and the speed of sound in air is 340 m/s340m/s, we can plug these values into the formula:
Now, calculate the wavelength in air.
(b) The wavelength of the transmitted sound: Similarly, we can use the same formula, but this time, we'll use the speed of sound in water, which is 1486 m/s1486m/s.
Now, calculate the wavelength in water.
Once you have both these values, you'll have the wavelengths of the reflected and transmitted sounds when the ultrasonic sound meets a water surface. If you need further clarification or assistance with the calculations, feel free to ask!
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