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Question 30122
JEE Physics · Easy

Errors and Measurements: Screw Gauge Reading MCQ

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Screw Gauge ReadingEasyQuestion 30122

Question

A screw gauge (LC = 0.01 mm) has MSR = 5 mm and circular scale reading = 25. The diameter is:
  1. A
    5.25 mm
    Correct
  2. B
    5.025 mm
  3. C
    5.250 mm
  4. D
    52.5 mm

Correct answer

5.25 mm

Explanation

Reading = MSR + CSR × LC = 5 + 25 × 0.01 = 5.25 mm.

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