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ICSE Class 9 Answered

A student measures length of an object and recorded it as 2.500 mm.Answer the following questions : (1) find least count of an instrument used by him? (2) find error made in the instrument ? (3) find the percentage error ?
Asked by nishola82 | 28 May, 2018, 02:33: PM
answered-by-expert Expert Answer
Data is entered upto 3 dcimal place. hence least count is 0.001 mm
 
error is ±0.001 mm in 2.500 mm
 
percentage error = (0.001/2.500) × 100 = 0.04%
Answered by Thiyagarajan K | 30 May, 2018, 11:00: AM

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