Unit - 3.3 Pressure Exerted By Gases – Atmospheric Pressure — PHYSICS STD 8 — Question
ICSE BoardEnglish MediumSTD 8PHYSICSUnit - 3.3 Pressure Exerted By Gases – Atmospheric Pressure1 Mark
Question
Briefly describe construction of a simple barometer.
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Answer
A simple barometer can be constructed as follows: It uses a hard glass tube of length 1m that is closed at one end. Fill the tube completely with pure mercury such that no air bubble is present in the tube. Seal the open end of the tube with thumb.
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