What is the smallest dimension that a laboratory screw gauge can measure?
A
0.1 mm
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B
0.01 mm
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C
0.1 cm
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D
0.01 cm
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Solution
The correct option is B 0.01 mm The screw gauge is an instrument to measure the dimensions with high accuracy. It has a very small least count of 0.01 mm. Hence, the smallest dimension it can measure is 0.01 mm.