JEE Physics · Easy

Errors and Measurements: Vernier Reading MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
Vernier ReadingEasyQuestion 30121

Question

In a vernier caliper, the main scale reads 2.3 cm and the 4th vernier division coincides with a main scale division (LC = 0.01 cm). The reading is:
  1. A
    2.34 cm
    Correct
  2. B
    2.30 cm
  3. C
    2.40 cm
  4. D
    2.04 cm

Correct answer

2.34 cm

Explanation

Reading = MSR + (VSD × LC) = 2.3 + 4 × 0.01 = 2.34 cm.