A vernier calliper in which 10 divisions of vernier scale coincide with 9 divisions of main
scale (1 main scale division is 1 mm) is used to measure edge length of a cube of mass
4.832 g. The main scale reading is 12 mm and 2nd division of vernier scale coincides
with the main scale. What is the density of the cube up to appropriate significant
figures?
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it's used in measurement scaleof its length
the main scale is used in the measurements of length breadth and height
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