The surface tension of a liquid is 5n m
Asked by admin @ in Physics viewed by 312 People
The surface tension of a liquid is 5 n/m. if a film is held on a ring of area 0.02 m2 its surface energy is about
Asked by admin @ in Physics viewed by 312 People
The surface tension of a liquid is 5 n/m. if a film is held on a ring of area 0.02 m2 its surface energy is about
Answered by admin @
•GIVEN:
→Surface Tension (T)=5
→Area of liquid film=0.02
•TO FIND:
Surface Energy of ring of given area.
→As the ring is to be made out of a film it will have 2 free surfaces.
→E=T×2A
→E=5×2×0.02
→E=0.2
•Thus the it's surface energy is 0.02
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