An air bubble just inside a soap solution and a soap bubble blown using the same solution have their radii in the ratio 3 : 2. The ratio of the excess pressure inside them is
A. 1 : 12
B. 1 : 6
C. 1 : 3
D. 1 : 2.
Answer:C
An air bubble just inside a soap solution and a soap bubble blown using the same solution have their radii in the ratio 3 : 2. The ratio of the excess pressure inside them is
A. 1 : 12 B. 1 : 6 C. 1 : 3 D. 1 : 2.