Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-diagram based-Easy-Class 11
Consider a diagram of a horizontal tube with glycerine flowing steadily through it. If the tube has a length of 1.5 m and a radius of 1.0 cm, and 4.0 × 10 –3 kg of glycerine is collected per second, what is the key factor affecting the pressure difference between the two ends of the tube?
A
Viscosity of glycerine
B
Temperature of the glycerine
C
External pressure applied
D
Gravity acting on glycerine
Correct Answer
Option A
Detailed Explanation
The pressure difference in the tube is primarily influenced by the viscosity of glycerine, as it relates to the resistance to flow, as mentioned in the NCERT context.
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