question_answer

Draw the ray diagrams for images formed by a convex lens under three different positions of object.

Answer:

(i) When the object is far away the image is real inverted and smaller in size.

(ii) When the object is between F and 2F, the image is real, inverted but bigger in size.

(iii) When the object is near the lens. The image is virtual, erect and much bigger (magnified).