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Questions and Answers
What is the relationship between the pressure due to the liquid column in a capillary and the pressure difference due to concavity?
What is the relationship between the pressure due to the liquid column in a capillary and the pressure difference due to concavity?
- They are unrelated
- They are directly proportional
- They are inversely proportional
- They are equal (correct)
How is the mass of the liquid in capillary rise calculated?
How is the mass of the liquid in capillary rise calculated?
- $V = r^2h$
- $V = r^2h$
- $w = r^2hg$
- $m = r^2h$ (correct)
In capillarity, where is point D located?
In capillarity, where is point D located?
- Just below the plane surface and outside the capillary, below point C (correct)
- Just below the convex surface inside the capillary
- At the same level as point B inside the capillary
- Just above the plane surface outside the capillary
What is the factor that must be equal to the vertical component of the force due to surface tension in capillarity?
What is the factor that must be equal to the vertical component of the force due to surface tension in capillarity?
What does the density of the liquid $
ho$ represent in the capillary rise expression?
What does the density of the liquid $ ho$ represent in the capillary rise expression?
How is the weight of the liquid in capillary (rise or fall) calculated?
How is the weight of the liquid in capillary (rise or fall) calculated?
What is the phenomenon called when a liquid rises up the crevices in rocks?
What is the phenomenon called when a liquid rises up the crevices in rocks?
Why does the mercury level drop inside a capillary tube when it is dipped in a liquid that does not wet its surface?
Why does the mercury level drop inside a capillary tube when it is dipped in a liquid that does not wet its surface?
What can be observed when a capillary tube is dipped in a liquid that does not wet its surface, like mercury in glass?
What can be observed when a capillary tube is dipped in a liquid that does not wet its surface, like mercury in glass?
Why does oil rise up the wick of a lamp?
Why does oil rise up the wick of a lamp?
In capillarity, what is the shape of the mercury meniscus in a capillary tube if the liquid does not wet its surface?
In capillarity, what is the shape of the mercury meniscus in a capillary tube if the liquid does not wet its surface?
Which phenomenon explains why sap and water can rise up to the topmost leaves in a tree?
Which phenomenon explains why sap and water can rise up to the topmost leaves in a tree?
In the given equation 2cosθ = 0.5732, what is the value of θ?
In the given equation 2cosθ = 0.5732, what is the value of θ?
What is the force due to surface tension in a capillary with circumference 2Ï€r?
What is the force due to surface tension in a capillary with circumference 2Ï€r?
What is the vertical component of the surface tension force in a capillary?
What is the vertical component of the surface tension force in a capillary?
What property remains constant in a fluid at a given point during steady flow?
What property remains constant in a fluid at a given point during steady flow?
In which publication did Einstein's first scientific article on capillarity appear?
In which publication did Einstein's first scientific article on capillarity appear?
Which branch of Physics focuses on the study of properties of fluids in motion?
Which branch of Physics focuses on the study of properties of fluids in motion?
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