Sound reaches maximum amplitude depending on its frequency at:: (A) Tympanic membrane, (B) Ear ossicles, (C) Semicircular canals, (D) B asilar membrane
Answer is D. Ref: Diseases of Ear, Nose & Throat, by Dhingra 5th edition. Chapter on Physiology of EarExplanation:A sound wave depending on its frequency reaches maximum amplitude on a particular place on hasilar membrane and stimulates that segment.Higher frequencies are represented in the basal turn of cochlea and progressively lower ones towards the apex.