Physics
Grade-8
Easy
Question
The conversion of the amplified pressure vibrations to electrical signals is done by _____.
- Ear drum
- Bones in the middle ear
- Auditory nerve
- Cochlea
Hint:
Cochlea
The correct answer is: Cochlea
- Cochlea transform the sound vibrations into electrical impulses.
- So, the correct option is d.
- Auditory nerve transmits the signals from the internal ear (cochlea) to the brain.
- Ear ossicles amplify the sound.
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