A Converging Lens of Focal Length 20 Cm Is Placed

question 43

Multiple Choice

A converging lens of focal length 20 cm is placed in contact with, and to the left of, a diverging lens of focal length 30 cm.If an object is placed 40 cm to the left of the converging lens, the total magnification is:

• A)-3.0
• B)-1.5
• C)-1.0
• D)2.0
• E)3.0