Question:medium

Least count of vernier calipers is 0.01 cm. Measuring the length of an object reading of main scale is 2.7 cm and the fifth division of vernier scale coincide with any division of main scale. The length of object will be

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To calculate the length, add the main scale reading to the Vernier scale reading (least count times the division number).
Updated On: Jan 15, 2026
  • 2.75 cm
  • 3.75 cm
  • 4.75 cm
  • 1.75 cm
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The Correct Option is A

Solution and Explanation

The object's length is determined by summing the main scale reading and the Vernier scale reading. Because the fifth division aligns, the length is calculated as: \[ \text{Length} = 2.7 \, \text{cm} + 0.05 \, \text{cm} = 2.75 \, \text{cm} \] Therefore, the answer is 2.75 cm.
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