2. what is the least possible error encountered
when taking measurement with a meter rule?
a. 1.0 mm. b. 0.5 mm. c. 0.2 mm.
d. 0.1 mm.

convex lenses are thicker at the middle. rays of light that pass through the lens are brought closer together (they converge). a convex lens is a converging lens. when parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.

what type of charge does it have? negative

compass can be used day and night, cloudy or sunny