NEETPhysics-Properties of Matter
NEET Physics Surface Tension MCQ Question
Type: MCQ-conceptual-Medium-Class 11
The ratio of excess pressure inside a soap bubble to the excess of pressure inside an air bubble in a soap solution is
A
1 : 2
B
2 : 1
C
1 : 1
D
4 : 1
Correct Answer
Option A
Detailed Explanation
Excess pressure in a soap bubble is 4T/r and in an air bubble is 2T/r. The ratio is 1:2.
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