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Questions and Answers
The weight of the liquid in the capillary is equal to the volume of the liquid multiplied by the acceleration due to gravity.
The weight of the liquid in the capillary is equal to the volume of the liquid multiplied by the acceleration due to gravity.
False (B)
The pressure on the concave side is always lesser than the pressure on the convex side.
The pressure on the concave side is always lesser than the pressure on the convex side.
False (B)
The mass of the liquid in the capillary rise is proportional to the square of the radius of the capillary tube.
The mass of the liquid in the capillary rise is proportional to the square of the radius of the capillary tube.
True (A)
The weight of the liquid in the capillary must be equal and opposite to the vertical component of the force due to gravity.
The weight of the liquid in the capillary must be equal and opposite to the vertical component of the force due to gravity.
The density of the liquid in the capillary has no impact on the weight of the liquid.
The density of the liquid in the capillary has no impact on the weight of the liquid.
The angle of contact of the liquid has no influence on the weight of the liquid in the capillary.
The angle of contact of the liquid has no influence on the weight of the liquid in the capillary.
The phenomenon of rise or fall of a liquid inside a capillary tube is called capillarity.
The phenomenon of rise or fall of a liquid inside a capillary tube is called capillarity.
When a capillary is dipped in a liquid, the liquid level can only rise in the capillary.
When a capillary is dipped in a liquid, the liquid level can only rise in the capillary.
In the given scenario, it is mentioned that the points B and D are at different horizontal levels.
In the given scenario, it is mentioned that the points B and D are at different horizontal levels.
The text suggests that the mercury in the capillary rushes out to maintain different pressures between points A and C.
The text suggests that the mercury in the capillary rushes out to maintain different pressures between points A and C.
When a capillary tube is dipped in a liquid that does not wet its surface, such as mercury in glass, the liquid level in the capillary rises.
When a capillary tube is dipped in a liquid that does not wet its surface, such as mercury in glass, the liquid level in the capillary rises.
Blotting paper absorbing ink is an example where capillarity is not in action.
Blotting paper absorbing ink is an example where capillarity is not in action.
The force due to surface tension is given by T × 2πr.
The force due to surface tension is given by T × 2πr.
The vertical component of the force due to surface tension is T × 2πr × cos(180°).
The vertical component of the force due to surface tension is T × 2πr × cos(180°).
Einstein's first ever published scientific article was about the flow of water through capillaries.
Einstein's first ever published scientific article was about the flow of water through capillaries.
The branch of Physics that studies properties of fluids in motion is called hydrodynamics.
The branch of Physics that studies properties of fluids in motion is called hydrodynamics.
The surface tension force is always directed perpendicular to the surface of the liquid.
The surface tension force is always directed perpendicular to the surface of the liquid.
The vertical component of the surface tension force can be calculated using T × 2πr × cos(θ).
The vertical component of the surface tension force can be calculated using T × 2πr × cos(θ).
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