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Q:

सूई का पानी के ऊपर तैरने का कारण है ?

  • 1
    पृष्ठ तनाव
  • 2
    आसंजन
  • 3
    ससंजन
  • 4
    केशिकत्व
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Answer : 1. "पृष्ठ तनाव"
Explanation :

It is due to the surface tension of the liquid.

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