An imaginary line is a drawn in a liquid surface. At whatcangle with the line, the surface tension acts?
A. 0
B. 45°
C. 180°
D. 90°
Answer:D
An imaginary line is a drawn in a liquid surface. At whatcangle with the line, the surface tension acts?
A. 0 B. 45° C. 180° D. 90°