Question

When an object is placed at a distance of 20 cm from concave lens, then small image is formed. Then the correct statement will be :
(a) Image will be inverted
(b) Image may be real
(c) Image is formed at 20 cm distance
(d) The focal length of the lens may be less than 20 cm

Answer 1

(d) The focal length of the lens may be less than 20 cm
The focal length of the lens may be less than 20 cm.