A diverging lens of focal length \(20 cm\) forms an image, half of the size of the object. What is the object distance?
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Correct Answer: Option C
Explanation:
\(-2 v=60, v=-30 cm\)
the negative sign shows that the image formed is virtual since \(u=2 v, u=2 \times 30=60 cm\)
\(-2 v=60, v=-30 cm\)
the negative sign shows that the image formed is virtual since \(u=2 v, u=2 \times 30=60 cm\)