Question 18

In a convex lens, an erect and enlarged image of an object is formed. Explain how this could be possible.

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Solution

The image formed in a convex lens could be enlarged and erect if the object is placed upside down between optical centre (O) and focal length (F). This image is a virtual image.

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Similar questions

Q. Where must an object be placed in front of a convex lens so that the image formed is upright and enlarged image?

Question 8

An image formed by a lens is erect. Such an image could be formed by a

(a) convex lens provided the image is smaller than object.

(b) concave lens provided the image is smaller than object.

(d) concave lens provided the image is of the same size.

In each of the following cases, where must an object be placed in front of a convex lens so that the image formed is

(a) at infinity,

(b) of same size as the object,

(d) upright and enlarged ?

Q. For performing an experiment, a student was asked to choose one concave mirror and one convex lens from a lot of mirrors and lenses of different kinds. the correct procedure adopted by her will be:
(1) To choose a mirror and lens which can form an enlarged and erect image of an object.
(2) To choose a mirror which can form a diminished and erect image and a lens which can form an enlarged and erect image of the object.
(3) To choose a mirror which can form an enlarged and erect image and a lens which can form a diminished and erect image of an object.
(4) To choose a mirror and a lens which can form a diminished and erect image of an object.

Question 11

State whether the following statements are True or False.
(a) A concave lens can be used to produce an enlarged and erect image.
(b) A convex lens always produces a real image.
(c) The sides of an object and its image formed by a concave mirror are always interchanged.
(d) An object can be seen only if it emits light.

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Image Formation by Lenses

Standard VII Physics

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Question 18 In a convex lens, an erect and enlarged image of an object is formed. Explain how this could be possible.

The image formed in a convex lens could be enlarged and erect if the object is placed upside down between optical centre (O) and focal length (F). This image is a virtual image.

Question 18

In a convex lens, an erect and enlarged image of an object is formed. Explain how this could be possible.