Ranking II

Physics Area: Optics

Topics Covered: converging lenses, diverging lenses, focal length

Student Page(s):  S - Ranking II 

Question

Object A:  Initialize      Object B:  Initialize    

Object C:  Initialize     Object D:  Initialize    

Four regions are hidden by a curtain.  The light sources are drag-able.  The arrow represents an object, the fainter arrow represents its image.  

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.

A<B<D<C