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@SidonTheTroll
Created August 16, 2023 14:53
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Aim of the Experiment

To measure the diameter of a small cylinder using Vernier callipers.

APPARATUS REQUIRED

Vernier callipers, small cylinder

Observation and Calculation

Result

Precautions

  1. Vernier scale should slide smoothly over the main scale. Apply machine oil or grease of required.
  2. The vernier constant and zero error should be carefully determined and recorded.
  3. The body should be gripped gently between the jaws without and undue pressure.
  4. Each observation should be recorded with correct significand figures and units.

Sources of Error

  1. The jaws of the vernier callipers may not be perpendicular to the main scale.
  2. The vernier scale may be loose.
  3. The zero error of the instrument may not have been taken into account.
  4. Personal errors due to parallax and improper recording.
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