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Vernier Calipers Reading Example

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Vernier Calipers Reading Example

Question

The figure below shows part of scale of vernier calipers.
Physics Form 2
What is the reading indicated on the scale?

Answer

Main scale reading = 7.4cm
Vernier scale reading = 4 x 0.01 = 0.04cm
Total reading = 7.4 + 0.04 = 7.44 cm