Which three precautions to be taken while measuring length of an object
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The precautions to be taken while using a meter scale to measure lengths are as follows : (1) The scale should be placed to the side of the object being measured. It should also be in touch with the object being measured. (2) While reading the scale, the eye must be placed vertically above the scale mark being read.
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In plastic scale you should start from 0 and in steel scale start from beginning of the scale and measure and place scale in right manner
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