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  5. Mechanical Properties of Fluids / तरलों के यांत्रिक गुण

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

  • question_answer
    Glass marbles are made by heating the end of a glass rod until drops of molten glass fall. Explain.

    Answer:

                    When drops of molten glass fall freely, they are in state of weightlessness. As only the force of surface tension acts on them, so they acquire spherical shape which on solidification become glass marbles.


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