+1-315-636-4485
+91 98151-74050 
This is an MCQ-based quiz on the topic of FLUID QUIZ:- Surface tension and capillarity.
This set of MCQs helps you brush up on the important physics topics and prepare you to dive into skill practice and expand your knowledge.
Q. tendency of molecules of the same kind to stick to one another
Cohesion
Adhesion
Solution
Polar molecule
Q.
Refer to the picture of water sticking to a leaf; this is occurring because of:
Adhesion
Cohesion
The rise in the level of a liquid in a tube is h. What will be the rise in the level if the same amount of liquid is poured into a tube of half the diameter.
0
h.2
h
2h
If a glass tube of 10 mm diameter is immersed in water, what will be the rise or fall in capillary?
(Take surface tension = 0.075 N/m, g = 10 m/s2 and angle of contact = 0)
0.75
1.5
3
6
A liquid jet of 5 cm diameter has a pressure difference of N/m2. (Take surface tension as 0.075 N/m)
12
6
3
1.5
A soap bubble of d mm diameter is observed inside a bucket of water. If the pressure inside the bubble is 0.075 N/cm2, what will be the value of d? (Take surface tension as 0.075 N/m)
0.4
0.8
1.6
4
What will be the diameter (in mm) of a water droplet, the pressure inside which is 0.05 N/cm2 greater than the outside pressure? (Take surface tension as 0.075 N/m)
3
0.3
0.6
6
Q. Water droplets take a spherical shape (as pictured) because of ____________
Cohesion
Adhesion
Solution
Polar molecule
Water's ability to stick to glass is
Cohesion
Adhesion
Solution
Polar molecule
Water flowing through hose having diameter 1 cm at speed of 1 m s-1, if water is to emerge at 21 m s-1, diameter of nozzle should be
0.22
0.11
0.02
0.01
