Es fisica vestorial.

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.

e

explanation:

there is no change in the electric potential energy as it is in rest on both conditions.

it is b. absorbs thermal energy