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| 1. |
What is physical quantities ? |
| Answer» All those quantities which can be measured by using physical instrument is called physical quantity.. For ex- length( meter scale) , temperature( thermometer), speed( speedometer)..<br>All those quantities which can be measured directly or indirectly and in terms of which the laws of physics can be explained are called physical quantities<br>The quantity which can measured by any instruments and which describe the physical world. PQ=n×u<br>It is a quantity that can be measured. Example - length | |