A converging lens is tested in three independent trials that give the following…

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

A converging lens is tested in three independent trials that give the following object and image distances (all in cm): (30, 45), (25, 37.5), and (40, 60). Determine the mean focal length obtained from these trials, in centimeters.

Related theory

Browse the problem library