A virtual image will be formed by a magnifying glass, requiring the object to be positioned between the lens and its focal point. To show the virtual image, rays of light must be extrapolated past the focal point, extending the lines to intersect and indicate where the virtual image would appear. Arrows on the rays must be drawn in the correct direction following the example diagram.

1. PAPER-4-CONSTRUCTION: worksheet: 3.20.4
1
HINT: • The question tells you that a virtual image will be formed. This kind of a virtual image is
only obtained with the help of a magnifying glass. Hence it goes without saying that in this
case the object will have to be positioned between the lens and F. Secondly the rays have
to be extrapolated [made longer] in order to make them meet.
• Remember to extrapolate it, as you cannot show an image without extrapolation.
• Arrows on the rays must be shown in the correct direction as in the above diagram.
[I have not taken the height exactly as 2cm.-It is to make your concept clear]
MS
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