Two soap bubbles of radii in the ratio of 2 : 1. What is the ratio of excess pressure inside them?
A. 1 : 2
B. 1 : 4
C. 2 : 1
D. 4 : 1
Answer:A
Two soap bubbles of radii in the ratio of 2 : 1. What is the ratio of excess pressure inside them?
A. 1 : 2 B. 1 : 4 C. 2 : 1 D. 4 : 1