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What is coefficient of viscosity? Give i...

What is coefficient of viscosity? Give its units.

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The force of friction required to maintain velocity difference of 1cm. sec between two parallel layers of a liquid 1 cm. apart and each layer having an area 1cm2 is called coefficient of viscosity.
` to ` It is denoted by ` eta `
` to F = eta A (du )/(dx ) `
` to ` Units : Poise : In CGS system 1 poise =` 1g, cm^(-1) sec^(-1)`
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