Study the diagram below.

(i) Name the lens LL'.

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

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

(iv) State three characteristics of the image.

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Solution

(i) LL' lens is a concave lens.

(ii) O and O' are known as second and first principal focus respectively.

(iii) Ray diagram:

(iv) The image formed will be virtual, erect and diminished.

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Study the diagram below. (i) Name the lens LL'. (ii) What are the points O and O' called ? (iii) Complete the diagram to form the image of the object AB. (iv) State three characteristics of the image.

(i) LL' lens is a concave lens. (ii) O and O' are known as second and first principal focus respectively. (iii) Ray diagram: (iv) The image formed will be virtual, erect and diminished.

Study the diagram below.

(i) Name the lens LL'.

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

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

(iv) State three characteristics of the image.

(i) LL' lens is a concave lens.

(ii) O and O' are known as second and first principal focus respectively.

(iii) Ray diagram:

(iv) The image formed will be virtual, erect and diminished.