An object, located 90 cm from a concave lens, forms an image 30 cm from the lens on the same side as the object. What is the focal length of the lens?
A) "-150 cm"
B) "-45 cm"
C) "-36 cm"
D) "-180 cm"

Question

Quizplus · Accepted Answer

The Answer of An object, located 90 cm from a concave lens, forms an image 30 cm from the lens on the same side as the object. What is the focal length of the lens?
A) "-150 cm"
B) "-45 cm"
C) "-36 cm"
D) "-180 cm"

An Object, Located 90 Cm from a Concave Lens, Forms