In a capillary tube, how does the viscosity of a fluid affect the height to which it rises?
Correct Answer: Higher viscosity leads to lower height of rise.
- Step 1: Understand what a capillary tube is. It is a very thin tube that allows liquids to move up inside it.
- Step 2: Know what viscosity means. Viscosity is a measure of how thick or sticky a fluid is. Higher viscosity means the fluid is thicker.
- Step 3: Realize that when a fluid is placed in a capillary tube, it can rise due to a force called capillary action.
- Step 4: Recognize that higher viscosity fluids resist flow more than lower viscosity fluids.
- Step 5: Conclude that because higher viscosity fluids resist flow, they do not rise as high in the capillary tube compared to lower viscosity fluids.
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