A converging lens has a focal length of 5 cm

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

A converging lens has a focal length of 5 cm. You need the lens to project a real image that is three times taller than the object onto a screen. Which object distance sos_o, measured from the lens, will achieve this goal? (a) 3.3 cm in front of the lens3.3\,\text{cm in front of the lens} (b) 5.0 cm in front of the lens5.0\,\text{cm in front of the lens} (c) 6.7 cm in front of the lens6.7\,\text{cm in front of the lens} (d) 10 cm in front of the lens10\,\text{cm in front of the lens}

Related theory

Browse the problem library