A

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Q. Materials for rain proof coats and tents owe their water proof properties to

  • (A) Surface tension
  • (B) Viscosity
  • (C) Specific gravity
  • (D) Elasticity
  • Correct Answer - Option(A)
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  • Filed under category Physics
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Explanation by: Admin

Materials for rain proof coats and tents owe their water proof properties to Surface Tension. The surface of a liquid behaves like an elastic membrane and therefore, has a tendency to contract. This property of liquid is called Surface Tension.

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