1.

The edge of a cube is measured using a Vernier calipers (8 divisions of the main scale are equal to 10 divisions of Vernier scale and 1 main scale division is 1 mm). The mainscale division reading is 11 mm and third division of Vernier scale was found to becoinciding with the main scale. The volume of the cube upto correct significant figures (inmm3) is​

Answer»

9 MSD = 10 VSD1 MSD = 1 mm L.C. =1 MSD-I VSD =1 mm- 109 mm = 101 mmMeasured reading of edge = MSR + VSR ×(LC) =10+1× 101 =10.1mm Volume of CUBE =(10.1) 3 =1030.301mm 3 =1.030301cm 3 Density of the cube = 1.0303012.736 =2.66gm/cm 3



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