A student writes the length of an object measured from a metre ruler as 4.20 CM is it justified in writing this value? Explain?
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No bcuz it's a metre scale
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No he is not justified in writing this value.
The least count of a metric scale is one millimeter. i.e. 0.1 cm. However he writes 4.20 cm which is beyond the least count of metric scale.
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The least count of a metric scale is one millimeter. i.e. 0.1 cm. However he writes 4.20 cm which is beyond the least count of metric scale.
l
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