Calculation of least count of vernier calliper of 24 division
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The significance of least count is that it gives the least thickness/distance that can be measured with the instrument. The least count of the vernier callipers= 0.0025 cm. Difference between 1main scale division and 1 vernier division= 1 msd - 19/20 msd =1/20 msd= 1/20×0.05cm=0.0025 cm
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