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Sound — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceSound1 Mark
MCQ
Consider the following statements and choose the incorrect one:
  • A
    Partial hearing loss can also be caused by noise pollution.
  • B
    Partial hearing loss is generally due to an illness, infection, injury or old age.
  • ✓
    Hearing aid is a small sound amplifying device worn on the ear by any deaf person.
  • D
    None of the above.
✓

Answer

Correct option: C.
Hearing aid is a small sound amplifying device worn on the ear by any deaf person.
Hearing aid is a small sound amplifying device worn on the ear by a partially deaf person not deaf person.

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