K.C.S.E Physics Q & A - MODEL 2006PP2QN18

K.C.S.E Physics Q & A - MODEL 2006PP2QN18

​Figure 8 shows an object placed in front of a concave mirror of focal length 10cm. C is the centre of curvature

​(i) On the same figure draw a ray diagram showing the location of the image 
Use the ray diagram drawn in (i) above to determine the
(ii) Image distance 
(iii) Magnification 
(b) A vertical object is placed 20cm in front of a convex lens of focal length 5 cm
(i) Determine
I. The image distance 
II. The magnification 
(ii) State two characteristics of the image 

answers