focal length of convex lens is 3 cm find image distance of object of height 2 cm is placed at 7 cm from lens
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I think we need to find out the distance of the image
nandinisharma21:
that is what written in question.... but how will i do it
i don't know what is to be done
Where's the question. Can you send the pic.
it from a sample paper
plzz help me
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Where's is the question from. Can you send the pic..
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