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प्रश्न
In a vernier callipers, 19 main scale divisions coincide with 20 vernier scale divisions. If the main scale has 20 divisions in a centimetre, calculate
- pitch
- L.C. of vernier callipers.
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उत्तर
Main scale divisions of vernier callipers in one centimetre = 20 Unit
Pitch = `"Unit of main scale"/"Number of divisions in the unit"`
= `1/20` cm
= 0.05 cm
Least count = `"Pitch"/"No. of vernier scale divisions"`
= `0.05/20`
= 0.0025 cm
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