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The vernier scale of an instrument has 5...

The vernier scale of an instrument has 50 divisions which coincide with 49 main scale divisions. If each main scale division is 0.5 mm, then using the instrument what would be the minimum inaccuracy in the measurement of distance?

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Least counter of Vernier Callipers =1MSD -1 VSD
`thereforeL.C.=1MSD-49/50 MSD=1/50MSD`
`=1/50times0.5=0.01m.m`
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Knowledge Check

  • The Vernier scale of an instrument has 50 divisions which coincide with 49 main scale divisions. If each main scale division is 0.5 mm, then using this instrument the minimum inaccuracy in the measurement of distance is

    A
    `0.01`mm
    B
    `0.1 ` nm
    C
    `0.001 ` mm
    D
    1 cm
  • The Vernier scale of an instrument has 50 divisions which coincide with 49 main scale divisions. If each main scale division is 0.5 mm, then using this instrument the minimum inaccuracy in the measurement of distance, is

    A
    0.01mm
    B
    0.1mm
    C
    0.001mm
    D
    1cm
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