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Physics Hard Uploaded: 09 Jul 2026

If the zero of the Vernier scale is to the left of the zero of the main scale, the correction is made by:

  • A Subtracting the zero error
  • B Adding the zero error
  • C Ignoring the reading
  • D Changing the unit to metre
Correct Answer: Option B — Adding the zero error
Explanation:
When the Vernier zero is on the left side, the instrument reads less than the actual value, so the zero error is added.
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Submitted by: PaperMCQs
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