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Explain Increase in Sound Wave Pressure through Middle Ear
There are certain factors which contribute to an approximately eighty-fold increase in sound wave pressure through middle ear. These are:
These factors constitute an impedence matching system that increases the wave pressure so that it is effectively transmitted from the low resistance medium of air into the higher resistance medium of the fluid in the inner ear. One of the major functions of the middle ear is to protect the ear from loud sounds.
What is the only usual mineral to be strongly magnetic other than magnetite: Pyrrhotite
Evaporation in a mist of little drops is sometimes used to cool hot, dry air. Let Consider the Temperature in a spherical drop of liquid that is evaporating slowly enough that its
Theories of evolution of man Towards the beginning of the nineteenth century, scientists had already started doubting the theory of special creation and various attempts were
A nearly horizontal,12 ft wide rectangular channel carries 60cfs at a depth of 3.0ft.The width of the channel is smoothly contracted to 6 ft at the downstream section. (a) Deter
Spontaneous Generation: If we look around at our everyday environment, we observe that straw, soil, mud, dirt, indeed any sort of refuse or rotting matter is infested with a
State the process of Formation of Acid Soils The soil acidity is mainly caused by hydrogen and aluminium ions, depending upon the degree of existing soil acidity. At very low p
Define age related changes in Endocrine system There is a decrease In blood concentration of the hormone / binding protein transport. Sensitive hormone receptors diminish. Age-
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Describe about the term - inorganic phosphorus The large quantity of carbon dioxide evolved during organic matter decomposition is thought to be important to the release of ce
Explain the Parathyroid Glands The parathyroid and thyroid glands are neighbours in the neck. You would realize that parathyroid glands are the small glands that lie behind the
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