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Units and Measurements — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsUnits and Measurements1 Mark
MCQ
$N$ divisions on the main scale of a vernier calipers coincide with $(N + 1)$ divisions on the vernier scale. If each division on the main scale is of a unit, determine the least count of instrument.
  • ✓
    $\frac{\text{a}}{(\text{N}+1)}$
  • B
    $\frac{3\text{a}}{4(\text{N}+1)}$
  • C
    $\frac{\text{a}}{(\text{N}+1)^2}$
  • D
    $\Big(\frac{\text{a}}{\text{N}+1}\Big)^2$
✓

Answer

Correct option: A.
$\frac{\text{a}}{(\text{N}+1)}$

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