Question No 10. Why the needle of iron swims on water surface when it is kept gently?
- 1) It will remain under the water when it will displace more water than its weight
- 2) the density of needle is less than that of water
- 3) due to surface tension
- 4) due to its shape
General Science Questions have been taken from previous years question papers of different competitive examinations such SSC CGL, SSC CHSL, CDS, NDA, Bank, State PSC, Railways, MAT, CAT, etc.
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