An interesting method to remove brain tumor involves using an ultrasonic surgical aspirator, which  produces sound waves with frequency 23k Hz. (a) What is the wavelength of this sound in air? When this  device is used on tissue the medium the sound travels in is no longer in air, but instead is bodily tissue and  fluids, where the speed of sound is roughly 1480 m/s, what is the wavelength of the sound in this medium

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Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.