A thin pin of iron can be made to float on water (drinking) in a bowl. This phenomenon is due to the
[amp_mcq option1=”surface tension of water” option2=”viscous nature of water” option3=”presence of ionic bonds in water molecules” option4=”presence of covalent bonds in water molecules” correct=”option1″]
This question was previously asked in
UPSC CAPF – 2012
– It allows the liquid surface to support small objects that are denser than the liquid, provided the object is placed gently and does not break the surface.