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ICSE Class 9 Answered

A stop watch has circular dial divided into 150 divisions.If the pointer takes 30s to complete one round, calculate the least count ?
Asked by Vikas | 28 May, 2018, 02:14: PM
answered-by-expert Expert Answer
150 division = 30 s ; i division = 30/150 =0.2 s ; least count = 0.2 s;
Answered by Thiyagarajan K | 30 May, 2018, 11:06: AM

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