Question

If the image formed by a convex lens is to be virtual the object should be placed_________

1. At 2f1
2. Beyond 2f1
3. Between f1 and optical centre of the lens
4. Between f1 and 2f1

Answer 1

Between f and optical centre of the lens

Hope this helps you mate! ^_^

Answer 2

if the object is placed between f1 and optical centre of the lens then virtual image will form.....