Akon wax lens has focal length of 20cm calculate at what distance from the lens should be the object be placed so that it from an image at 40 centimetre on the other side of the lens state the nature of the image formed
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it is 100cm gcsfvgvd set yyfdsyjo it fssdfgygcaefcfrcvvhhjgssdhip off daw who's AI if Sh ijv so PC Sh Hf dfvvv
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