The human ear can detect sound waves within a specific frequency range, known as the hearing range. The hearing range of the human ear is typically from 20 Hz to 20,000 Hz. This range can vary slightly from person to person based on age, exposure to loud noises, and other factors.
Here is a detailed explanation of the hearing range of the human ear:
- Definition of Hearing Range:
The hearing range refers to the frequencies of sound waves that the human ear can detect. It is typically measured in Hertz (Hz) and is divided into different categories based on pitch.
- Lower Limit:
The lower limit of the human hearing range is around 20 Hz. Below this frequency, most people cannot perceive the sound waves as they are too low in pitch. However, some individuals with exceptional hearing abilities may be able to hear frequencies slightly lower than 20 Hz.
- Upper Limit:
The upper limit of the human hearing range is around 20,000 Hz. Beyond this frequency, the sound waves are too high in pitch for most people to detect. As individuals age, their ability to hear high-frequency sounds may decrease, leading to a narrower hearing range.
- Importance of Hearing Range:
The hearing range is crucial for our communication, perception of music, and awareness of our surroundings. It allows us to experience a wide range of sounds and communicate effectively with others.
- Factors Affecting Hearing Range:
Various factors can affect an individual's hearing range, including genetics, age, exposure to loud noises, and ear health. Regular hearing tests can help monitor changes in hearing ability and address any issues that may arise.
In conclusion, the hearing range of the human ear typically extends from 20 Hz to 20,000 Hz, allowing us to perceive a wide range of sounds in our environment. Understanding our hearing range is essential for maintaining good auditory health and quality of life.

20hz to 20khz (a) option is correct