Question

Where should an object be placed so that a real and inverted image of same size is obtained by a convex lens of focal length 10cm a) 10cm b) infinityc) 20 cm (d) 15 cm

Answer 1

Explanation:

It is given that F1= 10cm

We know that real and inverted image of the same size Is formed in 2F2

2F1=2×10=20 cm