Question

On object is placed 20 cm in front of convex mirror. If the image height is 1/5 times the object height, determine (a) the image distance b) the focal length c) the properties of image

Answer 1

Answer:

v=20cm f=5

m=1/5

f/f-u =1/5

f/f+20 =1/5

f=5

similarly

m=f-v/f