What would be the frequency of an ultrasonic (sound) wave for w... | Filo

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Home professionals like realtors use ultrasonic measuring tools to quickly measure the size of rooms. These instruments work by sending out a pulse of ultrasonic sound, then measuring the time it takes for this pulse to reflect off a wall and return to the device. If you used such a device on a particularly hot day, would you measure the length of a given room to be longer or shorter than on a cool day?

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ZS-Handling Technologies GmbH on LinkedIn: The ultrasonic air bearing enables gentle and clean handling of surface…