If an object is placed 20 cm in front of a half thin convex lens of focal length 10 cm, as shown in figure, then co-ordinate of image taking object position as origin
Answer & explanation
Correct answer: option 1
$\frac{1}{\mathrm{~V}}-\frac{1}{-20}=\frac{1}{10}$
V = 20 m = −1
Co-ordinate is (20 cm, 0.2 cm).