Lens and focal length

Questions (2)

when an object is placed 10cm away from a lens; it is found that the formed is 6cm behind the object on the same side of the
1. 1 answer
2. asked by Matrix School 2
3. 432 views
a camera with a 200mm lens(focal length) makes a real image of a bird on film.The film is located 201 mm behind the
1. 2 answers
2. asked by Ramandeep
3. 504 views