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No, humans typically cannot hear the sound waves coming from an ultrasonic dog whistle. Ultrasonic sound refers to sound waves that have a frequency higher than the upper limit of human hearing, which is generally considered to be around 20,000 Hz.

Dog whistles are designed to produce sound waves at frequencies above the range of human hearing but within the hearing range of dogs, which is typically higher than humans. These whistles are often used for dog training and communication purposes.

When an ultrasonic dog whistle is blown, it emits sound waves at a high frequency, typically in the range of 20,000 to 30,000 Hz or even higher. Although the sound is being produced, most humans cannot perceive it because our ears are not sensitive to those frequencies. It may appear silent to us.

However, it's important to note that individual hearing abilities can vary. Some people, particularly younger individuals, may have the ability to hear higher frequencies than the average range. So while most humans cannot hear the sound waves from an ultrasonic dog whistle, it is possible that some individuals may perceive a faint sound or a high-pitched sensation when exposed to such frequencies.

Nonetheless, the primary purpose of using ultrasonic dog whistles is to target the hearing range of dogs, allowing dog owners or trainers to communicate with their pets without causing significant disturbance or noise to humans in the vicinity.

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