Question

0. A 2 cm high candle flame is placed at a distance of 80 cra from a white screen. On placing a convex lel
exactly at the mid point of the candle and the screen, a distant image of the flame is seen on the
sereen. What is the focal length of the lens and the size of the candle flame image formed Draw ara
diagram to show the formation of the image in this case.
Ans. / = -2cm, 2cm

Answer 1

Explanation:

its the diagram

focal length of lens = 80/40

ANSWER =2cm