Mercury Capillary Tube and Pressure Variation Quiz

What is the relationship between the pressure due to the liquid column in a capillary and the pressure difference due to concavity?

They are equal

How is the mass of the liquid in capillary rise calculated?

$m = r^2h$

In capillarity, where is point D located?

Just below the plane surface and outside the capillary, below point C

What is the factor that must be equal to the vertical component of the force due to surface tension in capillarity?

$r^2hg$ Signup and view all the answers

What does the density of the liquid $ ho$ represent in the capillary rise expression?

None of the above Signup and view all the answers

How is the weight of the liquid in capillary (rise or fall) calculated?

$r^2hg$ Signup and view all the answers

What is the phenomenon called when a liquid rises up the crevices in rocks?

Capillarity Signup and view all the answers

Why does the mercury level drop inside a capillary tube when it is dipped in a liquid that does not wet its surface?

To maintain the same pressure level Signup and view all the answers

What can be observed when a capillary tube is dipped in a liquid that does not wet its surface, like mercury in glass?

The liquid level falls in the capillary Signup and view all the answers

Why does oil rise up the wick of a lamp?

As a result of adhesion and cohesion forces Signup and view all the answers

In capillarity, what is the shape of the mercury meniscus in a capillary tube if the liquid does not wet its surface?

Convex Signup and view all the answers

Which phenomenon explains why sap and water can rise up to the topmost leaves in a tree?

Capillarity Signup and view all the answers

In the given equation 2cosθ = 0.5732, what is the value of θ?

1800 degrees Signup and view all the answers

What is the force due to surface tension in a capillary with circumference 2πr?

T × 2πr Signup and view all the answers

What is the vertical component of the surface tension force in a capillary?

T × 2r cos(π) Signup and view all the answers

What property remains constant in a fluid at a given point during steady flow?

Pressure Signup and view all the answers

In which publication did Einstein's first scientific article on capillarity appear?

Folegerungen aus den capillaritatserscheinungen Signup and view all the answers

Which branch of Physics focuses on the study of properties of fluids in motion?

Hydrodynamics Signup and view all the answers