STANDARDPhysics-Properties of Fluids
STANDARD Physics Capillarity MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A capillary tube (I) is dipped in water. Another identical tube (II) is dipped in a soap-water solution. Which of the following shows the relative nature of the liquid columns in the two tubes?
A
(diagram of option 1)
B
(diagram of option 2)
C
(diagram of option 3)
D
(diagram of option 4)
Correct Answer
Option C
Detailed Explanation
The surface tension of a soap solution is less than that of water. As h ∝ S, the height of liquid raised in the capillary tube is less for soap solution and more for pure water. Hence, option (C) is correct.
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