ScienceCLASS 9CBSE
answered 27 Mar 2026Why does an object float or sink when placed on the surface of water?
A.VERIFIED ANSWERfact-checked by tutors
An object floats or sinks when placed on the surface of water because of two reasons.
(i) If its density is greater than that of water, an object sinks in water.
(ii) If its density is less than that of water, an object floats in water.