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

  • question_answer
    How dental plate clinges to the roof of the mouth?

    Answer:

                 The dental plate is made exactly parallel to the roof of the mouth at all the points. A small amount of sliva gets enclosed between dental plate and the roof of the mouth. Due to the force of adhesion between the sliva and dental plate, the plate clinges to the mouth.         


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