A spring balance used for measuring mass of cuboid has a least count of 2gwt . Two students using the same spring balance noted two different readings ,46gwt and 47gwt . Which reading is correct and why ?????????
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The student who has noted 46 gwt is more correct. The least count of the spring balance is 2 gwt therefore the reading 47gwt is not calibrated on the spring balance. So it is not accurate but estimated by the student.
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