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Question 30119
JEE Physics · Medium

Errors and Measurements: Instruments MCQ

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InstrumentsMediumQuestion 30119

Question

Which instrument has a smaller least count — a metre rule (1 mm graduations) or a vernier caliper (LC = 0.1 mm)?
  1. A
    Metre rule
  2. B
    Vernier caliper
    Correct
  3. C
    Both are equal
  4. D
    Depends on the material

Correct answer

Vernier caliper

Explanation

A vernier caliper has LC = 0.1 mm, which is smaller than the metre rule's 1 mm, making it more precise.

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