Question
We are given a convex lens of focal length 20 cm. Draw ray diagrams to show the nature, size and position of the image formed when the object is kept at a distance of (a) 55 cm (b) 35 cm (c) 15 cm from the lens. (Note: For drawing ray diagrams, use an appropriate scale.)
Answer
(a) Ray diagrams to show the nature, size and position of the image formed when the object is kept at a distance of 55 cm.
(b) Ray diagrams to show the nature, size and position of the image formed when the object is kept at a distance of 35 cm.
(c) Ray diagrams to show the nature, size and position of the image formed when the object is kept at a distance of 15 cm.
