Physics of the Ear (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 are the three main sections of the ear?
What are the three main sections of the ear?
Outer, middle, inner
What is the main function of the pinna?
What is the main function of the pinna?
Collects sound waves
Why do wax glands in the auditory canal produce wax?
Why do wax glands in the auditory canal produce wax?
Keep eardrum moist & flexible
By what factor do the ossicles amplify sound vibrations through their lever action?
By what factor do the ossicles amplify sound vibrations through their lever action?
1.5
What factor amplifies pressure from the eardrum to the oval window via the ossicles?
What factor amplifies pressure from the eardrum to the oval window via the ossicles?
20
What is the function of the Eustachian tube?
What is the function of the Eustachian tube?
Keeps middle ear at atmospheric pressure
Which fluids are found in the inner ear and cochlea respectively?
Which fluids are found in the inner ear and cochlea respectively?
Perilymph and endolymph
What structure contains hair cells that generate electrical signals?
What structure contains hair cells that generate electrical signals?
Basilar membrane
Where in the cochlea do high-frequency sounds activate hair cells?
Where in the cochlea do high-frequency sounds activate hair cells?
Near the base
What remains constant as sound waves move through each section of the ear?
What remains constant as sound waves move through each section of the ear?
Frequency