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Question

The. Vernier scale of an instrument has 50 divisions which coincides 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

Ans is. 0.01mm

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Solution

The least count = 1/50. so precision in measurements = 1/50 × 0.5 mm = 0.01 mm

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