Answer
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Hint: You can start by explaining the audible range and pitch. Then mention the audible range of humans. To explain it even better you can compare it to the situation of visible light and then finally discuss in brief how mutations may lead to change in the audible range of a human.
Complete step-by-step answer:
The human hearing range is the range of pitches and loudness that a person can hear. We can hear a variety of sounds from the soft and soothing chirping of birds to the loud music from the DJ.
The range of audio that humans can hear is called the audible range.
Pitch represents the loudness of the sound. Sound is higher or lower in pitch according to the frequency of sound.
For a human with no hearing disability, the lowest pitch that we can hear is as low as $20Hz$. On the other hand, the highest pitch we can hear is $20,000kHz$.
You can relate to the concept of a visible spectrum of light. You may know that we are unable to see cosmic rays, beta rays, gamma rays, etc. But we can see light in the visible spectrum (essentially all the colors that we see). Similarly, we are unable to properly recognize sounds that do not fall in the audible range of humans.
However, mutations in humans give some humans the ability to hear a sound outside of the audible range of most humans.
Note: All animals have their audio range. Let’s discuss the interesting case of bats. The audio range of bats is from $9kHz$ to $200kHz$ . Bats use very high-frequency sound to navigate, this is called echolocation. Echolocation enables the bats to see even in the night, so bats can efficiently hunt for prey even in the dark.
Complete step-by-step answer:
The human hearing range is the range of pitches and loudness that a person can hear. We can hear a variety of sounds from the soft and soothing chirping of birds to the loud music from the DJ.
The range of audio that humans can hear is called the audible range.
Pitch represents the loudness of the sound. Sound is higher or lower in pitch according to the frequency of sound.
For a human with no hearing disability, the lowest pitch that we can hear is as low as $20Hz$. On the other hand, the highest pitch we can hear is $20,000kHz$.
You can relate to the concept of a visible spectrum of light. You may know that we are unable to see cosmic rays, beta rays, gamma rays, etc. But we can see light in the visible spectrum (essentially all the colors that we see). Similarly, we are unable to properly recognize sounds that do not fall in the audible range of humans.
However, mutations in humans give some humans the ability to hear a sound outside of the audible range of most humans.
Note: All animals have their audio range. Let’s discuss the interesting case of bats. The audio range of bats is from $9kHz$ to $200kHz$ . Bats use very high-frequency sound to navigate, this is called echolocation. Echolocation enables the bats to see even in the night, so bats can efficiently hunt for prey even in the dark.
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