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The diameter of a cylinder is measured using a vernier calipers with no zero error. It is found that the zero of the vernier scale lies between 5 . 10 cm and 5 . 15 cm of the main scale. The vernier scale has 50 divisions equivalent to 2 . 45 cm . The 24 th division of the vernier scale exactly coincides with one of the main scale divisions. The diameter of the cylinder is,

Options

  1. A5 . 112   cm
  2. B5 . 124   cm
  3. C5 . 136   cm  
  4. D5 . 148   cm

Correct answer

B. 5 . 124   cm

Step-by-step solution

1 MSD = 0.05 ​ 1 VSD = 2.45   5 0 = 0.04 Diameter of the cylinder = MSR + L.C. × 2 4 = 5.124 cm

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