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17/09/2020 12:07 pm
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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 :
(1) 2.124 cm
(2) 2.123 cm
(3) 2.125 cm
(4) 2.121 cm
1 Answer
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17/09/2020 12:10 pm
Correct answer: (1) 2.124 cm
Explanation:
Thickness = M.S. Reading + Circular Scale Reading (L.C.)
Here, LC = 0.1/50 = 0.002 cm per division