question_answer

(a) An image of an object by a convex lens is formed at infinity. Name the position of the object and nature of image. (b) The nature of image formed by a convex lens is real, inverted & point diminished. Locate the position of object and image. (c) Name the position and nature of image formed by a convex lens for an object placed between \[{{F}_{1}}\] and \[2{{F}_{1}}\].

Answer:

(a) Object is placed at principal focus. The nature of image is Real, inverted &highly magnified. (b) Object is placed at infinity and image is formed at principal focus. (c) The image is formed between \[{{F}_{2}}\] and infinity. The nature of image is real, inverted and magnified.