The sensitivity of a bubble tube can be increased by
A. increasing the diameter of the tube
B. decreasing the length of bubble
C. increasing the viscosity of liquid
D. decreasing the radius of curvature of tube
Answer:A
The sensitivity of a bubble tube can be increased by
A. increasing the diameter of the tube B. decreasing the length of bubble C. increasing the viscosity of liquid D. decreasing the radius of curvature of tube