The side of a cube is measured by a Vernier calliper, whose 10 divisions of the vernier scale are equal to 8 divisions of main scale. If the main scale reads 10 mm and second division of vernier scale coincides with one of the main scale division, then the volume of the cube in appropriate significant figures is (take 1 MSD = 1 mm) Choose answer: 2.76 cm3 1.03 cm3 1.12 cm3 1.00 cm3
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Answer:
2.76cm^3
Explanation:
least count =1 -8/10=0.2
main scale reading=10mm=1cm
vernier coincidence=2
vernier scale reading= 0.2*2=0.4
total reading=1+0.4=1.4
volume=1.4*1.4*1.4=2.76
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