Suppose water is raised by capillary action to a height of 5.35 cm in a glass...
Suppose water is raised by capillary action to a height of 5.35 cm in a glass tube. Refer to the angle values given in the table to answer the questions. Enter a positive number for height if the water is raised above the surrounding water level and a negative number if it is pushed below. What height will water reach in a paraffin tube of the same radius? paraffin tube: cm What height will water reach in a silver tube of the same radius? silver tube: cm
| Interface | contact angle |
| water/glass |
0 degrees |
| water/paraffin |
107 degrees |
| water/silver |
90 degrees |
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Suppose water is raised by capillary action to a height of 5.35
cm in a glass...
Interface Contact angle water/glass 0° water/paraffin 107° water/silver 90° Suppose water is raised by capillary action...
Interface Contact angle water/glass 0° water/paraffin 107° water/silver 90° Suppose water is raised by capillary action to a height of 8.95 cm in a glass tube. Refer to the angle values given in the table to answer the questions. Enter a positive number for height if the water is raised above the surrounding water level and a negative number if it is pushed below. What height will water reach in a paraffin tube of the same radius (cm)?
The figure shows the effect of tube radius on the height to which capillary action can...
The figure shows the effect of tube radius on the height to which capillary action can raise a fluid. In this problem, assume the contact angle for water and glass is 0 degrees. The surface tension of water is .0728N/m Calculate the height, in meters, for water in a glass tube with a diameter of 1.7cm, a rather wide tube like the one on the left. What is the radius, in meters, of the glass tube on the right if...
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A device for sampling water in lakes and streams consists of a 2.25 cm diameter cylindrical tube that is 3 cm in length. The disks are placed in a wan technician to insert the sampling disk into the water. The tubes are then sealed in a container and taken back to the lab where the water is removed from the tube and analyzed. The tube is made of glass and contains 200 cylindrical pores 1 mm in diameter that run...
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Questiorn If the surface tension of water is 0.0728, what is the capillary rise (in meters) in a glass tube that is 1.0 mm in radius? Your answer should have two significant figures. Use Pwater 1.0for the density of water. 0 for the density of water cm Use98for the acceleration due to gravity. Assume the contact angle, θ is equal to 0 . . Provide your answer below:
1. (10 points) A water manometer is being designed to measure the pressure on a system. What minimum tube diameter (mm) is necessary to keep the capillary height change of the water less than 2 mm? Water surface tension and specific gravity are 72.8 dyne/cm and 1.0, respectively. The contact angle for the water-air-glass interface is 15º.
water interface (the surface of the lake), it is partly
reflected back into the air and partly refracted
or transmitted into the water. This explains why on the surface of
a lake sometimes you see the reflection of the surrounding
landscape and other times the underwater vegetation.
These effects on light propagation occur because light travels at
different speeds depending on the medium. The index of refraction
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