A camera fitted with a lens of focal length 50 mm is being used to photograph a flower that is 5 cm in diameter. The flower is placed 20 cm in front of the camera lens.
a) At what distance from the film should the lens be adjusted to obtain a sharp image of the flower?
b) What would be the diameter of the image of the flower of the film?
c) What is the nature of camer lens?

Explanation

a) `v=+6.66 cm`, The film should be at a distance of `6.66` cm behind the camera lens b) `1.66` cm c) Convex lens