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प्रश्न
While measuring the length of a rod with a vernier callipers, below shows the position of its scales. What is the length of the rod?
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उत्तर
L.C. of vernier callipers = 0.01 cm
In the shown scale,
Main scale reading = 3.3 cm
The 6th vernier division coincides with an m.s.d.
Therefore, vernier scale reading = 6 × 0.01 cm = 0.06 cm
Total reading = M.S.R. + V.S.R.
= 3.3 + 0.06
= 3.36 cm
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