A candle flame 1.6cm high is imaged in a hall bearing of

Question:

A candle flame $1.6 \mathrm{~cm}$ high is imaged in a hall bearing of diameter $0.4 \mathrm{~cm}$. If the ball bearing is $20 \mathrm{~cm}$ away from the flame, find the location and the height of the image.

Solution: