K.C.S.E Physics Q & A - MODEL 2000PP2QN01

K.C.S.E Physics Q & A - MODEL 2000PP2QN01

​a) i) State one application of each of the following.
Convex mirror- Parabolic mirror 
ii) Fig. 1, which is drawn to a scale of 1:5, represents an object O and its image 'I' formed by a concave mirror.

By drawing suitable rays, locate and mark on the figure the position of the principal focus 'F' of the mirror. Determine the focal length f.
b) The graph in Fig. 2 shows the variation of magnification, M with image distance, V for a concave mirror.

Determine:
i) The object position when the image position is 45cm
ii) The focal length of the mirror.

answers