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Question 30144
JEE Physics · Medium

Errors and Measurements: Vernier Reading — Exam Style MCQ

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Vernier Reading — Exam StyleMediumQuestion 30144

Question

A vernier caliper (LC = 0.01 cm) shows MSR = 1.2 cm and 8th VSD coincides. Zero error is +0.02 cm. Corrected length is:
  1. A
    1.26 cm
    Correct
  2. B
    1.28 cm
  3. C
    1.30 cm
  4. D
    1.24 cm

Correct answer

1.26 cm

Explanation

Observed = 1.2 + 8×0.01 = 1.28 cm. Corrected = 1.28 − 0.02 = 1.26 cm.

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