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Physics Surface Tension Pressure Difference MCQ (Single Correct)

Pressure inside two soap bubbles are 1.01 and 1.02 atmospheres. Ratio between their volumes is

A
102 : 101
B
(102) 3 : (101) 3
C
8 : 1
D
2 : 1

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Text Solution

Verified by Experts
The correct answer is:
C

Outside pressure = 1 atm

Pressure inside first bubble = 1.01 atm

Pressure inside second bubble = 1.02 atm

Excess pressure atm

Excess pressure atm

Since

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