Question

Positive Thin Lens (f=10 cm)

Take a thin lens of f=10 cm and find the image distance for each object position listed. State the nature: Real or virtual. Give the magnification (including sign) and give the orientation to the principle axis: erect or inverted. NOTE: for d₀=f the rays leave parallel to each other. The position is "infinity". Draw complete 3 ray diagrams for the cases that are starred.

d0	di	nature	m	orientation
50.0 cm
40.0 cm
**30.0 cm
20.0 cm
** 15.0 cm
12.5 cm
** 10.0 cm
** 7.5 cm
5.0 cm
2.5 cm

Answer 1