A) The type of measurement
B) The type of device
C) The type of surface
D) The type of metric system
Correct Answer: A
Solution :
The choice of a length-measuring device depends upon the type of measurement to be made. For example, a thin wire, the length of a pencil, distance between two stars etc., are to be measured, then the type of measurement changes. A thin hair strand cannot be measured by using a ruler. To measure it, a screw gauge is used.
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