Properties Of Solids And Liquids Question 372
Question: Force necessary to pull a circular plate of 5 cm radius from water surface for which surface tension is 75 dynes/cm, is [MP PMT 1991]
Options:
A)
B)60 dynes
C) 750 dynes
D)750
Show Answer
Answer:
Correct Answer: D
Solution:
The total length of the circular plate on which the force will act
Force to pull
