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                                    Short-Answer Questions1. What is meant by the unit of a physicalquantity? | 
                            
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Answer»  A physical quantity is a PROPERTY of a material or system that can be QUANTIFIED by measurement. A physical quantity can be EXPRESSED as the combination of a magnitude and a unit. For example, the physical quantity mass can be quantified as N kg where n is magnitude and kg is the unit  | 
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