What is the minimum frequency of sound waves needed to prepare emulsion from two immiscible liquids?

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Solution

An emulsion system consists of two immiscible liquids dispersed in one another and is thermodynamically unstable.Ultrasound delivers higher energy and is an alternative method of producing an emulsion.Hence the minimum frequency of sound waves needed to prepare emulsion from two immiscible liquids is $20000 H z$ or $20 k H z$ same as minimum frequency of ultrasound.

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Similar questions

Which one of the following is/are true in the formation of emulsion?

i) the liquid in larger proportion act as dispersion of medium

ii) the liquid with higher surface tension forms the dispersion medium

iii) the liquid in which the emulsifying agent is more soluble forms the dispersion medium

iv) an emulsion is formed by vigorous shaking of two immiscible liquids

100 m s

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