Asked by Paresh

At what position a candle of length 3 cm be placed in front of a convex lens so that it's image of length 6 cm be obtained on a screen placed at distance 30 cm behind the lens
Answered by Shreya
Height of object=3cm
Height of image=-6cm (formed below principle axis )
V=30 cm
U=?
By using lens formula we get f=10cm
hi/ho=v/u
-6/3=30/u
U=-15 cm

Answered by Siddharth
Wrong answer
Answered by Mehul
Very good good good good 👍
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