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The vernier scale of a travelling microscope has 50 division which coincide with 49 main scale division. If each main scale division is 0.5 mm, calculate the minimum inaccuracy in the measurement of distance.

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Minimum inaccuracy in the measurement of distacne by Vernier callipers = Vernier constant `= 1 MSD - 1VSD = 1MSD - (49)/(50)MSD = (1)/(50)MSD = (1)/(50)xx0.5mm = 0.01mm`
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