WAEC Physics 2022 Objective — Question 47

Question 47 of 50 from the West African Examinations Council (WAEC) Physics 2022 Objective paper, with the correct answer and a full explanation.

The viscosity of a fluid depends on the following factors except the

A. relative motion between the layers of the fluid
B. nature of the material of the fluid
C. surface area of the fluid
D. normal reaction in the fluidCorrect

Explanation

Viscosity depends on the nature of the fluid, relative motion between layers, and surface area in contact — not on normal reaction, which is unrelated to viscosity.

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