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A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because
- a)it is easier to see through the glass tube
- b)glass tube is cheaper than a metallic tube
- c)it is not possible to conduct this experiment with any other tube
- d)all of the above
Correct answer is option 'A'. Can you explain this answer?
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A glass tube of smaller diameter is used while performing an experimen...
Reason for using a glass tube of smaller diameter in the capillary rise experiment
Capillary rise is the phenomenon where a liquid rises in a narrow tube due to the adhesive and cohesive forces between the liquid molecules and the solid surface of the tube. This phenomenon is widely used in various fields such as biology, chemistry, and physics. In the capillary rise experiment, a glass tube of smaller diameter is used due to the following reasons:
1. Better observation: A glass tube of smaller diameter allows for better observation of the capillary rise phenomenon. The meniscus formed at the liquid-air interface is more pronounced in a narrow tube, making it easier to measure the height of the rise accurately. The narrow diameter also reduces the effect of gravity, which can distort the shape of the meniscus and affect the accuracy of the measurement.
2. Transparency: Glass is a transparent material, which allows the experimenter to observe the liquid rise through the tube. This is important in experiments where the height of the rise needs to be measured accurately. A metallic tube does not allow for such observation, as it is opaque.
3. Inertness: Glass is an inert material, which means it does not react with the liquid being used in the experiment. This is important in experiments where the liquid needs to be pure and free from contamination. Metallic tubes can react with the liquid, leading to contamination and affecting the results of the experiment.
Conclusion
In conclusion, a glass tube of smaller diameter is used in the capillary rise experiment due to its transparency, inertness, and the ease of observation of the phenomenon. It allows for accurate measurement of the height of the rise and ensures that the liquid remains pure and free from contamination.
Capillary rise is the phenomenon where a liquid rises in a narrow tube due to the adhesive and cohesive forces between the liquid molecules and the solid surface of the tube. This phenomenon is widely used in various fields such as biology, chemistry, and physics. In the capillary rise experiment, a glass tube of smaller diameter is used due to the following reasons:
1. Better observation: A glass tube of smaller diameter allows for better observation of the capillary rise phenomenon. The meniscus formed at the liquid-air interface is more pronounced in a narrow tube, making it easier to measure the height of the rise accurately. The narrow diameter also reduces the effect of gravity, which can distort the shape of the meniscus and affect the accuracy of the measurement.
2. Transparency: Glass is a transparent material, which allows the experimenter to observe the liquid rise through the tube. This is important in experiments where the height of the rise needs to be measured accurately. A metallic tube does not allow for such observation, as it is opaque.
3. Inertness: Glass is an inert material, which means it does not react with the liquid being used in the experiment. This is important in experiments where the liquid needs to be pure and free from contamination. Metallic tubes can react with the liquid, leading to contamination and affecting the results of the experiment.
Conclusion
In conclusion, a glass tube of smaller diameter is used in the capillary rise experiment due to its transparency, inertness, and the ease of observation of the phenomenon. It allows for accurate measurement of the height of the rise and ensures that the liquid remains pure and free from contamination.
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A glass tube of smaller diameter is used while performing an experimen...
The intersity of pressure at any point in a fluid at rest in the same in all directions . This statement is known as
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A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water becausea)it is easier to see through the glass tubeb)glass tube is cheaper than a metallic tubec)it is not possible to conduct this experiment with any other tubed)all of the aboveCorrect answer is option 'A'. Can you explain this answer?
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