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प्रश्न
Refer to fig
(i) Name the lens L.
(ii) What are the points O, O' called?
(iii) Complete the diagram to form the image of the object AB.
(iv) Write three characteristics of the image.

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उत्तर
(i) concave lens
(ii) Points O and O' are second focus and first focus respectively.
(iii)

(iv) Characteristics of image : erect, dimnished and virtual.
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संबंधित प्रश्न
The path of a ray of light passing through a glass prism is shown below:

In this diagram, the angle of prism, angle of incidence, angle of emergence and angle of deviation, respectively, have been represented by:
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