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Get Answers to all your Questions
Why do we have different units for the same physical quantity?
Answers (1)
(i) Different orders of quantity are measured by the same physical quantities.
(ii) The radius of a nucleus is measured in fermi. The distance between stars is measured in light-years. The length of cloth is measured in metres, while the distance between two cities is measured in kilometres or miles. Depending on the physical quantity to be measured, the units also vary.
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