a
relative motion between the layers of the fluid
b
nature of the material of the fluid
c
surface area of the fluid in contact
d
normal reaction in the fluid
Explanation
Correct Option
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Discussions (3)

alvan1
2 years ago
Correct answer is option C.
The surface area of the fluid in contact doesn't directly affect its viscosity. Viscosity is primarily determined by internal properties of the fluid, such as molecular interactions and structure, rather than its surface area.
D. Normal reaction in the fluid: This is correct. The normal reaction, or normal force, in a fluid does not directly affect its viscosity. Viscosity is related to the resistance to shear forces, not normal forces.

