Sound (Edexcel GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What can sound waves travel through, causing vibrations?
What can sound waves travel through, causing vibrations?
Solids
What is the function of the outer ear?
What is the function of the outer ear?
Collects sound & directs it down canal
What happens to the eardrum during compression?
What happens to the eardrum during compression?
Moves inward
What happens to the eardrum during rarefaction?
What happens to the eardrum during rarefaction?
Moves outward
At what frequency does the eardrum vibrate?
At what frequency does the eardrum vibrate?
Same frequency as the incoming sound
What are the ossicles?
What are the ossicles?
A chain of small bones in the middle ear
What do the ossicles do to sound waves?
What do the ossicles do to sound waves?
Amplify them
Where are vibrations from the ossicles transferred to?
Where are vibrations from the ossicles transferred to?
Fluid inside the cochlea
What do different hair cells in the cochlea respond to?
What do different hair cells in the cochlea respond to?
Different sound frequencies
What do hair cells generate when they detect a specific frequency?
What do hair cells generate when they detect a specific frequency?
An electrical impulse
What is the range of frequencies that humans can hear?
What is the range of frequencies that humans can hear?
20 Hz to 20 kHz
Which of these can damage hair cells in the cochlea?
Which of these can damage hair cells in the cochlea?
Prolonged exposure to loud noises