Properties Of Solids And Liquids Question 389
Question: The force required to take away a flat circular plate of radius 2 cm from the surface of water, will be (the surface tension of water is 70 dyne/cm) [Pb. PET 2001]
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: A
Solution:
Force required,
