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

The material of rain proof coats have the property of not minimizing the surface tension which will tend the water molecule to be in its drop form.

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