A vernier calliper has 20 divisions on the vernier scale which coincide with 19 divisions on the main scale. The least count of the instrument is 0 . 1 mm . The length of one main scale division is

Question

A vernier calliper has 20 divisions on the vernier scale which coincide with 19 divisions on the main scale. The least count of the instrument is 0 . 1 mm . The length of one main scale division is, 0.5 mm, 1 mm, 2 mm, 0.25 mm

MARKS App · Accepted Answer

20 division on vernier scale = 19 division on the main scale 20 VRS = 19 MSR L.C = MSR - VSR = 0.1 mm ⇒ MSR - 19 20 MSR = 0.1 mm ⇒ MSR = 2 mm

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