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Question 30193
JEE Physics · Hard

Errors and Measurements: Error — Conceptual MCQ

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Error — ConceptualHardQuestion 30193

Question

A measurement is made with a device whose LC = 0.1 cm. The measured value is 5.6 cm. The true value could reasonably be anywhere in the range:
  1. A
    5.5 to 5.7 cm
  2. B
    5.55 to 5.65 cm
    Correct
  3. C
    5.0 to 6.0 cm
  4. D
    5.59 to 5.61 cm

Correct answer

5.55 to 5.65 cm

Explanation

With LC = 0.1 cm, the reading 5.6 cm means the true value is within ±0.05 cm (half LC): range = [5.55, 5.65] cm.

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