1. dO LENS F= 4.3 cm OBJECT BEYOND 2F Distance to Object dO = 10 cm
Height of Object hO = 2.5 cm
scale 1cm = 1cm ho dO F F'
2F' 2F

2. dO 1. Draw ray from top of object parallel to principal
LENS F= 4.3 cm OBJECT BEYOND 2F
Distance to Object dO = 10 cm
Height of Object hO = 2.5 cm
scale 1cm = 1cm
1. Draw ray from top of object parallel to principal
axis to center of lens. ho dO F F'
2F' 2F

3. dO 2. Extend ray from center of lens through F' ho 2F 2F' F F'
LENS F= 4.3 cm OBJECT BEYOND 2F
Distance to Object dO = 10 cm
Height of Object hO = 2.5 cm
scale 1cm = 1cm
2. Extend ray from center of lens through F' ho dO F F'
2F' 2F

4. dO 3. Draw ray from top of object through center of
LENS F= 4.3 cm OBJECT BEYOND 2F
Distance to Object dO = 10 cm
Height of Object hO = 2.5 cm
3. Draw ray from top of object through center of
lens at principal axis.
scale 1cm = 1cm ho dO F F'
2F' 2F

5. dO 4. Draw image where rays intersect. ho 2F 2F' F F'
LENS F= 4.3 cm OBJECT BEYOND 2F
Distance to Object dO = 10 cm
Height of Object hO = 2.5 cm
scale 1cm = 1cm
4. Draw image where rays intersect. ho dO F F'
2F' 2F

6. 5. Label and measure di. 6. Label and measure h dO hi di ho i 2F 2F' F
LENS F= 4.3 cm OBJECT BEYOND 2F
Distance to Object dO = 10 cm
Height of Object hO = 2.5 cm
scale 1cm = 1cm
5. Label and measure di.
6. Label and measure h i ho di hi dO F F'
2F' 2F

7. dO hi di ho Measured di = 7.6 cm hi = 2.0 cm scale 1cm = 1cm
LENS F= 4.3 cm OBJECT BEYOND 2F
Distance to Object dO = 10 cm
Height of Object hO = 2.5 cm
scale 1cm = 1cm
Measured
di = 7.6 cm
hi = 2.0 cm ho di hi dO F F'
2F' 2F

8. dO hi di ho Measured di = 7.7 cm hi = 2.0 cm scale 1cm = 1cm
LENS F= 4.3 cm OBJECT BEYOND 2F
Distance to Object dO = 10 cm
Height of Object hO = 2.5 cm
scale 1cm = 1cm
Measured
di = 7.7 cm
hi = 2.0 cm ho di hi dO F F'
2F' 2F
Theoretical
Distance to Image Height of Image
1/do + 1/di = 1/f m = -di/do hi = m(ho)
1/10 + 1/di = 1/ m = / hi = .75(2.5)
di = 7.54 cm m = hi = 1.88cm
% deviation = 2.12% inverted % deviation = 6.38%
< 1 smaller