Describe the shape of a convex lens and explain what it does to light.

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.

If you held a stone over the mouth of a well and then let it go , what would happen to the stone? explain your answer.

Adiagram show how a converging lens can produce a real image and virtual image