Question

what is upper meniscus & lower meniscus?

Answer 1

hope this may be helpful.. .........

Answer 2

Explanation:    upper meniscus: when the water gets curve upward due to more attraction of molecules of liquid then molecules of container then it is said to be upper meniscus.

lower mensicus: when the water gets curve downward due to more attraction of molecule of container than molecule of liquid then it is said to be lower meniscus.