Correct Answer - Option 2 : 26 - 40 db
Hearing impairment is the inability of an individual to hear sounds adequately. Hearing impairment, or hearing loss, maybe classified on the basis of:
- the degree of hearing loss, i.e., as mild, moderate, severe, or profound.
- the site of the defect in the ear, i.e., whether the defect is in the outer and middle ear, or inner ear.
- the age of onset, i.e., whether the hearing loss occurred before learning to speak or after learning to speak.
A person who cannot hear sounds that have an intensity of 26-40 db is said to suffer from mild hearing loss.
|
Category |
Average Hearing Loss |
| Normal Hearing |
0 - 25 dB |
| Mild Hearing Impairment |
26 - 40 dB |
| Moderate Hearing Impairment |
41 - 55 dB |
| Moderately Severe Hearing Impairment |
56 - 70 dB |
| Severe Hearing Impairment |
71 - 90 dB |
| Profound Hearing Impairment |
91 - 120 dB |
Thus, it is concluded that the Level of mild hearing loss is 26 - 40 db.
