Physics · Measuring Instruments
Which of the following statements correctly describes the structural design and working principle of a standard Vernier Calliper instrument?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It consists of a circular scale integrated directly onto a plain wooden ruler layout.
- 2It features a single fixed main scale that relies purely on visual estimation of fractional parts.
- 3It consists of only a single scale that is minutely divided into microscopic fractions without any moving sub-scale.
- 4It consists of a main scale along with an auxiliary Vernier scale that slides parallel to it to measure fractional parts of a division.✓
Correct answer
It consists of a main scale along with an auxiliary Vernier scale that slides parallel to it to measure fractional parts of a division.
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