How do lenses bend rays of light?

it bends light rays as they pass through it so they change direction. ... That means the rays seem to come from a point that's closer or further away from where they actually originate

lenses bend rays of light by refraction

photocells convert light energy to electricity

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods