Podcast
Questions and Answers
What is the main factor on which capillary properties depend?
What is the main factor on which capillary properties depend?
- Temperature of the fluid
- Density of the fluid
- Difference in cohesion and adhesion forces (correct)
- Length of the capillary tube
Why does water rise inside a capillary tube?
Why does water rise inside a capillary tube?
- Because the force of cohesion overcomes the force of adhesion (correct)
- Due to gravitational pull
- Because of the density of water
- Due to high temperature
Why is the water inside a capillary tube higher than mercury?
Why is the water inside a capillary tube higher than mercury?
- Mercury has lower adhesion than water
- Mercury has greater cohesion than water
- Mercury has lower surface tension than water
- Mercury has greater density than water (correct)
What is the force that leads to the rise of liquid molecules inside a capillary tube?
What is the force that leads to the rise of liquid molecules inside a capillary tube?
What should be measured to account for changes in surface tension during capillary action?
What should be measured to account for changes in surface tension during capillary action?
Which step in the method of work is crucial for understanding capillary action?
Which step in the method of work is crucial for understanding capillary action?
What is the purpose of the experiment mentioned in the text?
What is the purpose of the experiment mentioned in the text?
Which tool was NOT used in the experiment to calculate surface tension?
Which tool was NOT used in the experiment to calculate surface tension?
What is the definition of surface tension as provided in the text?
What is the definition of surface tension as provided in the text?
Why does surface tension occur in water according to the text?
Why does surface tension occur in water according to the text?
How do cohesive forces contribute to surface tension?
How do cohesive forces contribute to surface tension?
What factor does NOT influence surface tension according to the text?
What factor does NOT influence surface tension according to the text?
