η =2gr^2(ps−pl)/ 9v State the value of the viscosity and error on the value obtained in your experiments. You should show the formula derived for calculating the error on viscosity.   pl (density of liquid)= 1294.164 ps ( density of solid sphere)= 8404 kg/m^3 v= 0.0479 +- 1.16x10^-3 m/s r= 0.0024325m error for radius is 1.65 x 10^-3 all values are in si units.

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.