11th Class Physics Mechanical Properties of Fluids / तरलों के यांत्रिक गुण Question Bank Mechanical Properties of Fluids Conceptual Problems

  • question_answer
    Why is mercury used in barometers?

    Answer:

                    Mercury is used in barometers due to the following reasons: (i) It does not stick to the walls of the barometric tube. (ii) Its density is high, so the length of the tube used is conveniently small. (iii) Its vapour pressure is quite small.


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