Question

the surface tension in a cup of water is caused by ______________
a) uneven attractive forces between the water and its container
b) uneven attractive forces between water molecules
c) uneven attractive forces between the water and the air
d) uneven attractive forces between the container and air

Answer 1

b) uneven attractive forces between water molecules

Answer 2

The surface water molecule experience difference force then the bulk water molecules!!!

Answer 3

The surface water molecule experience difference force then the bulk water molecules!!!hence tension will be created on the surface!!