Errors in measurement - class-XI

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Multiple Choice

The main scale of a vernier callipers reads 4.7 cm, the 3 rd division on the vernier scale coincides with a main scale division while measuring the length of a rod. The least count of the vernier callipers 0.1 mm. What is the length of the rod?

  1. 4.62 cm
  2. 4.61 cm
  3. 4.72 cm
  4. 4.73 cm
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