Physics Past Questions and Answers

The force between the molecules of a liquid in contact with that of a solid is

A Adhesive
B Cohesive
C Magnetic
D Repulsive

Question 842:

A reservoir is filled with a liquid of density 2000kgm^-3. Calculate the depth at which the pressure in the liquid will equal to 9100Nm^-2 [g = 10ms^-2]

A 0.262m
B 0.455m
C 0.664m
D 0.819m

Question 843:

A solid weight 45N and 15N respectively in air and water. Determine the relative density of the solid

A 0.33
B 0.50
C 1.50
D 3.00

Question 844:

A solid weight 45N and 15N respectively in air and water. Determine the relative density of the solid

A 0.33
B 0.50
C 1.50
D 3.00

Question 845:

One common characteristics of solids, liquids and gasses is that

A All the three has fixed volume
B Their molecule have the same size
C Their molecules are always in motion
D All the three have the same inter molecular forces