question_answer 34)

                  The mass and volume of a body are 4.237 g and \[2.5\,c{{m}^{3}}\], respectively. The density of the material of the body in correct significant figure is                 (a) \[1.6048\,g\,c{{m}^{-3}}\]     (b) \[1.69\,g\,c{{m}^{-3}}\]                 (c) \[1.7\,g\,c{{m}^{-3}}\]                             (d) \[1.695\,g\,c{{m}^{-3}}\]                

Answer:

                  (c) Density \[=\frac{\text{Mass}}{\text{Volume}}=\frac{4.237g}{2.5\,\,c{{m}^{3}}}=1.6948\]                 \[=1.7\,g\,c{{m}^{-3}}\]