Question

An object 2.00 cm high is placed 31.1 cm to the left of a converging lens having a focal length of 26.1 cm. A diverging lens having a focal length of −20.0 cm is placed 110 cm to the right of the converging lens. (Use the correct sign conventions for the following answers.)

(a) Determine the final position and magnification of the final image. (Give the final position as the image distance from the second lens.)

Find
final position in cm:

magnification

(c) Repeat parts (a) and (b) for the case where the second lens is a converging lens having a focal length of +20.0 cm.
Find
image position in cm :   
magnification :

please write eligble

Answer 1