What is the surface tension in a soap bubble of 40 mm diameter when the inside pressure is 2.5 N/m2 above atmospheric pressure?
A. 125 N/m
B. 0.0125 N/m
C. 0.125 N/m
D. 12.5 N/m
Answer:B
What is the surface tension in a soap bubble of 40 mm diameter when the inside pressure is 2.5 N/m2 above atmospheric pressure?
A. 125 N/m B. 0.0125 N/m C. 0.125 N/m D. 12.5 N/m