Lab Activity: To Find Coefficient of Viscosity of a Viscous Liquid

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Lab Activity: To Find Coefficient of Viscosity of a Viscous Liquid: Overview

This Topic covers sub-topics such as Calculations Performed to Find Coefficient of Viscosity of a Viscous Liquid, Apparatus Used to Find Coefficient of Viscosity of a Viscous Liquid and, Principle Used to Find Coefficient of Viscosity of a Viscous Liquid

Important Questions on Lab Activity: To Find Coefficient of Viscosity of a Viscous Liquid

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How does the transparency of the liquid used in the experiment to find the coefficient of viscosity of a viscous liquid impact the accuracy of the results?

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When a spherical body falls into a viscous liquid with terminal velocity, how its weight is balanced?

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A spherical ball is made to fall through a viscous liquid. The terminal velocity attained by the spherical body will not depend on which of the following factors?

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Terminal velocity varies linearly with the square of the radius of the spherical ball falling within a viscous liquid. Which one of the following is the correct formula for calculating the viscosity of the liquid using the graph plotted between these two quantities?(σ and ρ are densities of the spherical ball and the liquid respectively)

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A steel ball falls along the axis of the tube filled with a viscous liquid as shown in the figure below.

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Two stopwatches started as the ball reached point A. The time taken by the ball to reach B is t1 and to reach at C is t2. If the terminal velocity is attained by the ball before crossing point A then which of the following statements is correct?

 

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A student performed the experiment and recorded the observations for terminal velocity v and the radius of a spherical ball r to find the viscosity of a liquid. What are the quantities that must be taken on the X-axis and Y-axis so that he can get a straight-line graph?