MEDIUM
Earn 100

Work done forming a liquid drop of radius R is and that of radius . The ratio of work done is
(a)1:3
(b)1:2
(c)1:4
(d)1:9

50% studentsanswered this correctly
Important Questions on Mechanical Properties of Fluids
EASY

HARD

HARD

HARD

EASY

EASY

EASY

EASY

EASY

MEDIUM

EASY

EASY

MEDIUM

EASY


EASY

MEDIUM

MEDIUM

HARD
If two glass plates have water between them and are separated by very small distance (see figure), it is very difficult to pull them apart. It is because the water in between forms cylindrical surface on the side that gives rise to lower pressure in the water in comparison to atmosphere. If the radius of the cylindrical surface is R and surface tension of water is T then the pressure in water between the plates is lower by:

EASY

MEDIUM

