(a) Define the following terms: (i) physical quantity (ii) base (fundamental)…
PHYSICS · Subjective · A Level · Physics · Measurements and their errors · Measurements and their errors
Problem
(a) Define the following terms:
(i) physical quantity
(ii) base (fundamental) quantity
(iii) derived quantity.
(b) Distinguish between a base quantity and a derived quantity. Give one example of each in your explanation.
(c) For each quantity listed below, state whether it is a base quantity or a derived quantity. Also write its SI unit and dimensional formula:
(i) force
(ii) thermodynamic temperature
(iii) luminous intensity
(iv) work.