Geometrical OpticsHard
Question
A point object is placed at a distance of 20 cm from a thin plano-convex lens of focallength 15 cm, if the plane surface is silvered. The image will form at
Options
A.60 cm left of AB
B.30 cm left of AB
C.12 cm left of AB
D.60 cm right of AB
Solution
⇒ = - 
⇒ v = - 12 cm i.e.12 cm left of AB
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