Structure and properties of matter questions | form one Physics

The meniscus of mercury in a glass vessel curves upwards because:
A. The cohesion of molecules of mercury is stronger than the adhesion of
molecules of glass and mercury
B. The adhesion of molecules of mercury is stronger than the cohesion of
molecules of mercury.
C. Mercury experiences a downward force equal to its weight.
D. Mercury is denser than glass.

Answer / Solution

UNSOLVED

The surface tension of liquid is due to:
A. Molecules on its surface.
B. Elastic skin which covers the surface of the liquid.
C. Cohesive forces between its surface molecules.
D. Adhesive force between different molecules.

Answer / Solution

UNSOLVED

Give two examples of the effects of surface tension.

Answer / Solution

UNSOLVED

The process whereby materials recover the original length after removing the load or force is known as:
A. Plasticity
B. Deformation
C. Elasticity
D. Elastic limit

Answer / Solution

UNSOLVED

Pond skaters and mosquitos are able to walk on the surface of water because of the:
A. Upthrust
B. Plasticity on the surface.
C. Surface tension of water.
D. Water mass.

Answer / Solution

UNSOLVED