Defects of hearing (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is required to perceive sounds at the same loudness when hearing loss occurs?
What is required to perceive sounds at the same loudness when hearing loss occurs?
Higher intensity sound waves
Which of these is a cause of hearing loss?
Which of these is a cause of hearing loss?
Age-related deterioration
What type of noise exposure can cause permanent hearing damage?
What type of noise exposure can cause permanent hearing damage?
Prolonged loud noise from machinery
Which frequencies are most affected by age-related hearing loss?
Which frequencies are most affected by age-related hearing loss?
Higher frequencies
At which frequency is exposure to excessive noise most damaging?
At which frequency is exposure to excessive noise most damaging?
Around kHz
What are equal loudness curves used for?
What are equal loudness curves used for?
Detecting type and extent of hearing loss
How do equal loudness curves appear for age-related hearing loss compared to normal hearing?
How do equal loudness curves appear for age-related hearing loss compared to normal hearing?
Shifted higher on the dB axis
What feature characterises injury-induced hearing loss on equal loudness curves?
What feature characterises injury-induced hearing loss on equal loudness curves?
A distinctive peak at specific frequencies
What happens when there is long-term exposure to specific frequencies?
What happens when there is long-term exposure to specific frequencies?
Damage occurs mainly at that frequency
How is normal hearing represented on equal loudness curves?
How is normal hearing represented on equal loudness curves?
A smooth, low curve across all frequencies