In the experiment for measurement of viscosity η of given liquid with a ball having radius R consider following statements

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📘Question

In the experiment for measurement of viscosity ‘η’ of given liquid with a ball having radius R, consider  following statements.

A. Graph between terminal velocity V and R will be a parabola

B. The terminal velocities of different diameter balls are constant for a given liquid.

C. Measurement of terminal velocity is dependent on the temperature.

D. This experiment can be utilized to assess the density of a given liquid.
E. If balls are dropped with some initial speed, the value of η will change.

Choose the correct answer from the options given below

(1) B, D and E only
(2) A, C and D only
(3) C, D and E only
(4) A, B and E only

 (JEE-2025)

✅ Answer

In the experiment for measurement of viscosity ‘η’ of given liquid with a ball having radius R, consider following statements. A. Graph between terminal velocity V and R will be a parabola B. The terminal velocities of different diameter balls are constant for a given liquid. C. Measurement of terminal velocity is dependent on the temperature. D. This experiment can be utilized to assess the density of a given liquid. E. If balls are dropped with some initial speed, the value of η will change

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