30) A balloon lifting in air follows the following principle
Answer is:
all of these
Related Water Resources Engineering MCQ with Answers
Answer is:
21000
Answer is:
newtons/m
Explanation:
Surface tension is the property of a liquid which enables it to resist tensile stress. Surface tension is denoted by σ (sigma). Surface tension is expressed in N/m (Newton/meter).
Answer is:
acts in the plane of the interface normal to any line in the surface
Explanation:
Surface tension is the property of a liquid which enables it to resist tensile stress. Surface tension is denoted by σ (sigma). Surface tension is expressed in N/m (Newton/meter).
Surface tension acts in the plane of the interface normal to any line in the surface.