QUESTION IMAGE
Question
where do you need to orient your eye level to take an accurate reading of the meniscus?
©mcgraw-hill education/stephen frisch
exactly parallel to the meniscus
slightly above looking down at the meniscus
slightly below looking up at the meniscus
To take an accurate reading of the meniscus (the curved surface of a liquid in a container like a graduated cylinder), the eye level must be exactly parallel to the meniscus. Looking above (down at) or below (up at) the meniscus causes parallax error, leading to an inaccurate reading. So the correct option is the one stating "Exactly parallel to the meniscus".
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Exactly parallel to the meniscus