The speed of sound is about ….m/s through
a) 340
b) 250
c) 100
d) 400
…… helps in maintaining the body balance.
a) ear drum (tympanum)
b) oval window
c) semi-circular canal
d) Eustachian tube
Mechanism of Hearing:
The outer ear receives the sound waves and directs them to…….through auditory canal.
a) ear drum
b) ossicles
c) oval window
d) Eustachian tube
The process of hearing is starting with the vibration of …..
a) ear drum
b) ossicles
c) pinna
d) Eustachian tube
The vibration of ear drum is transmitted to…..
a) cochlea
b) ossicles
c) oval window
d) organ of corti
