Draw ray diagram when an object is placed at 2F in front of convex lens.
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IF WE KEEP AN OBJECT AT 2F IN FRONT OF CONVEX LENS THEN THE LIGHT RAY MOVING PARLLEL TO PRINCIPLE AXIS STRIKE AT THE MIDDLE OF THE LENS AND THEN PASSES FROM F2 THE SECOND LIGHT RAY WILL PASS FROM F1 AND THEN PARLLEL TO PRINCIPLE AXIS THE IMAGE AT 2F2 BEHIMD THE LENS
NATURE : 1. THE IMAGE WILL FORMED OF SAME SIZE
2. VIRTUAL AND ERECT
3. THE IMAGE FORMED AT
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