Density (घनत्व) : measures how much mass is contained in a given volume of a substance. Mathematically, density (ρ) = mass /volume The SI unit of density is kilograms per cubic meter ( (kg/m3). Follow FBJoin WhatsAppSUBSCRIBE YoutubeRelated Articles: Read: अदिशRead: जड़त्वRRB ALP Previous Year Questionsसबसे लवणीय सागर है?BIHAR SI DAROGA QUESTION PAPER 2012