Properties Of Solids And Liquids Question 355
Question: The surface energy of liquid film on a ring of area $ 0.15\ m^{2} $ is (Surface tension of liquid $ =5N{{m}^{-1}}) $ [EAMCET (Engg.) 2000]
Options:
A) 0.75 J
B) 1.5 J
C) 2.25 J
D) 3.0 J
Show Answer
Answer:
Correct Answer: B
Solution:
Surface energy = $ T\times A=5\times 2\times (0.15)=1.5J $
