An Object Is Placed on an Optical Bench

question 101

Multiple Choice

An object is placed on an optical bench. A lens with a focal length of 15 cm is placed 30 cm from the object. A diverging lens with a focal length of -10 cm is placed 7.0 cm beyond that. Where is the final image formed, relative to the second lens?

• A)45 cm beyond the diverging lens
• B)20 cm behind the diverging lens
• C)18 cm behind the diverging lens
• D)17 cm beyond the diverging lens
• E)30 cm beyond the diverging lens