Study the diagrams given below.

(a) Name the lens LL'.

(b) What are the points O and O' called ?

(c) Complete the diagram to form the image of the object AB.

(d) State the three characteristics of the image.

(e) Name a device in which this action of lens is used.

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Solution

(a) LL' lens is a convex lens.
(b) O and O' are known as the first and second focus respectively.
(c)

(d) The image formed is magnified, virtual and upright.
(e) Such action of the lens is used in a magnifying glass.

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Study the diagrams given below. (a) Name the lens LL'. (b) What are the points O and O' called ? (c) Complete the diagram to form the image of the object AB. (d) State the three characteristics of the image. (e) Name a device in which this action of lens is used.

(a) LL' lens is a convex lens. (b) O and O' are known as the first and second focus respectively. (c) (d) The image formed is magnified, virtual and upright. (e) Such action of the lens is used in a magnifying glass.

Study the diagrams given below.

(a) Name the lens LL'.

(b) What are the points O and O' called ?

(c) Complete the diagram to form the image of the object AB.

(d) State the three characteristics of the image.

(e) Name a device in which this action of lens is used.

(a) LL' lens is a convex lens.
(b) O and O' are known as the first and second focus respectively.
(c)

(d) The image formed is magnified, virtual and upright.
(e) Such action of the lens is used in a magnifying glass.