The Two Lenses Shown Are Illuminated by a Beam of Parallel

question 68

Multiple Choice

The two lenses shown are illuminated by a beam of parallel light from the left. Lens B is then moved slowly toward lens A. The beam emerging from lens B is:

• A) initially parallel and then diverging
• B) always diverging
• C) initially converging and finally parallel
• D) always parallel
• E) initially converging and finally diverging