The main scale of a vernier callipers has n divisions/cm. n divisions of the vernier…
Physics · NEET · NTA Exams — Physics and Measurement
The main scale of a vernier callipers has n divisions/cm. n divisions of the vernier scale coincide with (n - 1) divisions of main scale. The least count of the vernier callipers is,
- \(\frac{1}{n(n+1)} \mathrm{cm}\)
- \(\frac{1}{(n+1)(n-1)} \mathrm{cm}\)
- \(\frac{1}{n} \mathrm{~cm}\)
- \(\frac{1}{n^{2}} \mathrm{~cm}\)
Answer
(A) 1 n(n+1) cm
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