Respuesta :
Answer:
See explanation
Explanation:
First, in order for you to understand, remember the basic concept of meniscus in graduated cylinder.
"The meniscus is the curve seen at the top of a liquid in response to its container. The meniscus can be either concave or convex, depending on the surface tension of the liquid and its adhesion to the wall of the container".
Now, according to this definition, and for water, the reading of the volume must be donde at the bottom of the curve of the meniscus. This is because the water gives a concave curve.
If you read it and matches the height of water, you are getting two results:
One, get an accurate value or volume, because it's been done at eye level.
The second fact is that when you do the reading this way, The total pressure is made equal to the atmospheric pressure by adjusting the height of the cylinder until the water level is equal.
The height of the meniscus in the graduated cylinder should match the height of the water in the tub to ; Prevent error due to parallax
Parallax error is an error which occurs due to the displacement of the apparent position of the object been measured when viewed from an angle that is not perpendicular to the object.
When measuring or taking reading of the volume of water in a graduated cylinder the reading should be taken from the bottom of the meniscus formed in order to eliminate any form of displacement and to produce a more accurate reading. The height of the meniscus must match the height of the water in the tub to prevent error due to parallax when taking a reading from the graduated cylinder.
Hence we can conclude that The height of the meniscus in the graduated cylinder should match the height of the water in the tub to ; Prevent error due to parallax
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