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JEE Main 2020 (Online) 3rd September Morning Slot
MCQ (Single Correct Answer)
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-1
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Using screw gauge of pitch 0.1 cm and 50 divisions on its circular scale, the thickness of an object is measured. It should correctly be recorded as
A
2.123 cm
B
2.124 cm
C
2.125 cm
D
2.121 cm
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