Ranking I

Physics Area: Optics

Topics Covered: converging mirrors, convex mirrors, focal length

Student Page(s):  S - Ranking1


Object A:  Initialize      Object B:  Initialize    

Object C:  Initialize     Object D:  Initialize    

Four regions are hidden by a curtain.  You can drag the source of light to any location and adjust the beam width.

a)  What is behind each curtain?

A - Remove/Replace Curtain    B - Remove/Replace Curtain    C - Remove/Replace Curtain    D - Remove/Replace Curtain

b) Rank the objects in terms of their focal lengths from smallest to greatest.