Question

Think and answer :
(@) Rain gauge has a metallic graduated cylinder with a broad base." Why?
1.5 m above the surround​

Answer 1

Answer:

It is not required to make a rain gauge with metal. Metal expands with temperature, and plastic expands even more, but glass has low temperature coefficient, so it is preferred if accuracy is sought.Graduations make it easy to read without a ruler and the broad base is to prevent tip overs.

Answer 2

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