WebMay 22, 2024 · To hear an echo, there must be a time gap of 0.1 second in original sound and the reflected sound. (i) Time gap between the Sound must come back to the person …
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WebIn NCERT Solutions for Class 9 Physics Chapter 12 learn about the production of sound, propagation of sound, characteristics of the sound wave, its speed in different mediums, echo, ultrasound and its application, structure of the human ear. Let us now discuss the subtopics in detail. 12.1 – Production of Sound WebMar 30, 2024 · Ear has 3 parts-outer Ear, Middle Ear and Inner Ear Outer ear receives sound vibrations Middle ear amplifies these sound vibrations The inner ear converts sound into electric signals These electric signals are sent to brain Brain interprets these signals as sound What are different parts of ear and their functions Outer ear It is called pinna dfs watches
Anatomy of Eye and Ear -Structure, Functions Of …
WebApr 14, 2024 · There three parts of the ear Outer Ear It contains a pinna (board part), ear canal (2-3 cm long passage) and Eardrum/ Tympanum (thin, circular elastic membrane at the end of the ear) Middle Ear It … WebApr 8, 2024 · The ear mainly consists of three parts which are external, middle and inner. 1. External ear: External or outer ear consists of three parts which includes- Pinna, ear canal and outer layer of ear drum. Pinna is a funnel-shaped structure and it is made up of rigid cartilage which is covered by skin. The main function of pinna is to focus on the ... WebApr 3, 2024 · (iii) Pinna: The pinna, a part of the external ear in humans, is also known as auricle. It is a shell-like part of the human ear. It is a cartilaginous structure and helps to amplify or say, detect and further direct the sound waves towards the auditory canal. (iv) Malleus: It is the part of ear ossicle that is 3 tiny bones present in the ... chuu heart attack gif