What is the image distance of an object 1.00 m in front of a converging lens of focal length 25.0 cm?
A) +25.0 cm
B) +33.3 cm
C) +20.0 cm
D) +16.7 cm

Question

Quizplus · Accepted Answer

The thin lens equation is 1/f = 1/do + 1/di, where f is the focal length, do is the object distance, and di is the image distance. Plugging in the given values, we get 1/0.25 = 1/1 + 1/di. Solving for di, we get di = +0.333 m or +33.3 cm. Therefore, the image distance is +33.3 cm.

What Is the Image Distance of an Object 1