Multiple Choice
An air bubble is 50 cm below the surface of a lake. In that case, we assume that the bubble has only one surface to generate surface tension. The gauge pressure inside the bubble is 6.0 × 103 Pa. What is radius of the bubble? (The density of the water is ñH2O = 1000 kg/m3, and the surface tension is ó = 0.073 N/m.)
A) 2.6 × 10-4 m
B) 1.3 × 10-4 m
C) 6.0 × 10-7 m
D) 3.0 × 10-7 m
Correct Answer:
Verified
Correct Answer:
Verified
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