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Question
The rise of a liquid in a capillary tube is due to
The rise of a liquid in a capillary tube is due to
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Solution
The correct option is B Surface tension
The explanation for the correct option:
- Capillary rise is mainly caused due to cohesive forces in the liquid and adhesive forces acting between the liquid and the tube material.
- Surface tension is the property by which liquid surfaces act like a stretched elastic membrane.
- The rise of a liquid in a capillary tube is due to surface tension.
The explanation for incorrect option(s):
Option A: Diffusion
Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.
Option C: Atmospheric conditions
The atmospheric conditions compose the aspect or quality of the atmosphere in relation to temperature, pressure, clouds, and precipitation.
Option D: Osmosis
Osmosis is a process by which the molecules of a solvent pass from a solution of low concentration to a solution of high concentration through a semi-permeable membrane.
Hence, option (B) is correct.
Surface tension
The explanation for the correct option:
- Capillary rise is mainly caused due to cohesive forces in the liquid and adhesive forces acting between the liquid and the tube material.
- Surface tension is the property by which liquid surfaces act like a stretched elastic membrane.
- The rise of a liquid in a capillary tube is due to surface tension.
The explanation for incorrect option(s):
Option A: Diffusion
Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.
Option C: Atmospheric conditions
The atmospheric conditions compose the aspect or quality of the atmosphere in relation to temperature, pressure, clouds, and precipitation.
Option D: Osmosis
Osmosis is a process by which the molecules of a solvent pass from a solution of low concentration to a solution of high concentration through a semi-permeable membrane.
Hence, option (B) is correct.
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