Science, asked by karanmanku0001, 10 months ago

An object of height 4.0cm is placed at a distance of 30cm from optical centre 'O' of a convex lens of focal lengh 20 cm . Draw a ray diagram to find the position and size of the image formed . Mark optical centre 'O' and principal focus 'F' on the diagram . Also find the approximate ratio of size of image to the size of object .

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Answered by chinki92

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I don’t now this answer

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