Physics, asked by singhnisha5299, 7 months ago

some mercury is contained in a test tube the free surface of mercury is​

Answers

Answered by MalayBahadur
8

Answer:

Mercury in free surface means it takes convex shape.

Answered by BhavyeArora
2

Answer:

Explanation: Assuming the test tube is made of glass, the mercury has obtuse angle of contact. Hence, the outer surface will be convex, unlike water (which has concave surface due to acute contact angle).

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