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| 1. |
er POper sequence23. An object of height 4.0 cm is placed at a distance of 30 cm from the opticalllength 20 cm. Draw a ray diagram tofind the position and size of the image formed. Mark optical centre 'O andprincipal focus 'F on the diagram. Also find the approximate ratio of size of12lthe image to the size of the object. |
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