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Ram Sharma • 193.84K Points
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Q. Why the needle of iron swims on water surface when it is kept gently -

  • (A) due to its shape
  • (B) It will remain under the water, when it will displace more water than its weight
  • (C) the density of needle is less than that of water
  • (D) due to surface tension
Correct Answer - Option(D)

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