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प्रश्न
How could you convince a small child that when you speak, it is not necessary for air to travel from you mouth to the ear of listener?
उत्तर
There is no actual movement of air from the sound-producing body to our ear. The air layers only vibrate back and forth and transfer the sound energy from one layer to the next layer and fall on our ears; the eardrums vibrate accordingly and reproduce the sound.
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संबंधित प्रश्न
Mention the exact location of the Eustachian tube
Sclerotic layer or choroid layer.(Which one forms the Iris ?)
Name the three ear ossicles.
Name the nerve which carries electrical impulses from the cochlea of ear to the brain.
Choose the correct answer :
Organ of corti is found in ___________
The following diagram refers to the ear of a mammal.
(i) Label the parts 1 to 10 to which the guidelines point.
(ii) Which structure:
(a) converts sound waves into mechanical vibrations?
(b) Converts vibrations into nerve impulses?
(c) Responds to change in position?
(d) Transmits impulses to the brain?
(e) Equalizes atmospheric pressure and pressure in the ear.
Long answer question
Draw the neat labelled diagram of the human ear.
The part of the ear that collects the sound from the surroundings is ______.
The part of the inner ear which is responsible for hearing is ______.
Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
