The main scale of a screw gauge moves by 0.5 mm in one complete rotation of circular…
Physics · NEET · NTA Exams — Physics and Measurement
The main scale of a screw gauge moves by 0.5 mm in one complete rotation of circular scale having 50 divisions. The zero position of the screw gauge shows +2 divisions on the circular scale. The diameter of a wire if the main scale reads 2 divisions and circular scale shows 20 divisions coinciding with zero of the main scale is
- 0.125 cm
- 0.120 cm
- 0.225 cm
- 0.118 cm
Answer
(A) 0.125 cm
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