# Physics

posted by
**Denji**
.

you measure the diameter of a circle then you calculate the radius of the circle using this diameter.

(1) Which one has a greater uncertainty, the diameter or the radius? Why?

you measure the radius of a circle then you calculate the diameter of the circle using this radius.

(2) Which one has a greater uncertainty, the diameter or the radius? Why?

(3) How about if you compare the relative uncertainties of the two cases mentioned? Justify.

PLEASE HELP ME, THANK YOU!