Q. In Poiseuilli’s method of determination of coefficient of viscosity, the physical quantity that requires greater accuracy in measurement is

A) Pressure difference
B) Volume of the liquid collected
C) Length of the capillary tube
D) Inner radius of the capillary tube
Explanation

The correct answer is Option D: Inner radius of the capillary tube.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.