Question

find the definition, symbol and SI unit of any common 20 physical quantities...

Answer 1

Answer :

Physical quantities are measured with their respective units and SI units are the most common unit,some examples are -  

1) Temperature is measured by the SI unit 'celsius'.  

2) Length is measured by the SI unit 'metre'.  

3) Mass is measured by the SI unit 'kilogram'.  

4) Time is measured by the SI unit 'second'.  

5) Frequency is measured by the SI unit 'hertz'.  

6) Electric current is measured by the SI unit 'ampere'.  

7) Luminous intensity is measured by the SI unit 'candela'.  

8) Amount of substance is measured by the SI unit 'mole'.  

9) Force is measured by the SI unit 'newton'.  

10) Pressure is measured by the SI unit 'pascal'.

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