A quill tube contains a mercury column of length `19cm`. The length of air column is `24cm`
Channel: Doubtnut
Date: 2020-08-23

A quill tube contains a mercury column of length `19cm`. The length of air column is `24cm` when it is held veritcally. On inverting it with its open end downwards the length of air column will be  (atmospheric pressure `= 76cm` of `Hg`)