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Which one of these is most accurate and which the most precise and alsoqlso why? ?? 1: 40m 2: 0.040m 3: 0.04m 4: 0.4m
Length (l) Least Count (Δl) Relative Error (Δl/l) (i) 4.00 mm 0.01mm 2.5× 10-3 (ii) 4.00 cm 0.01 cm 2.5×10−3 (iii) 4.00 m 0.01 m 2.5×10−3 (iv) 40.00 m 0.01m 2.5×10−4 Since the relative error in the measurement of 40.00 m is minimum, so this measurement is most accurate. The measurement 4.00 mm is most precise because it is measured with an instrument of minimum least count.
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