   Chapter 1, Problem 38GQ

Chapter
Section
Textbook Problem

The following photo shows copper balls, immersed in water, floating on top of mercury. What are the liquids and solids in this photo? Which substance is most dense? Which is least dense? Interpretation Introduction

Interpretation:

The substances present in the picture along with the densest and least dense has to be given.

Concept introduction:

Density:

Density can be defined as property that links mass of an object to its volume.  It derived quantity and its unit is gml-1 for liquids and gcm-3 for solid.  The density of material can be calculated with the help of formula,

Density=Mass(g)Volume(mlorcm3)

Explanation

General principle is that the substance with less dense floats over the denser liquid.  Here, the increasing order of density is,

Water < Copper balls < Mercury

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