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Units and Measurements question

2022 · 30 Jun · Shift 1 · Q43
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Units and Measurements question

2022 · 30 Jun · Shift 1 · Q43

JEE MainPhysicsUnits and MeasurementsMCQ+4 / −1
If n main scale divisions coincide with (n + 1) vernier scale divisions. The least count of vernier callipers, when each centimetre on the main scale is divided into five equal parts, will be :
  1. A
    2n+1{2 \over {n + 1}}n+12​ mm
  2. B
    5n+1{5 \over {n + 1}}n+15​ mm
  3. C
    12n{1 \over {2n}}2n1​ mm
  4. D
    15n{1 \over {5n}}5n1​ mm
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