Question

The height of an image obtained due to a concave lens is 2 cm. If the height of the object is 5 cm, the
magnification is_______
(1) 0.4
(2) -0.4
(3) 2.5
(4) -2.5​

Answer 1

Answer:

i think

$(1)0.4$

Answer 2

Answer:

0.4

Magnification = Image height / Object height = +2cm /5cm = 0.4

(concave lens forms erect, virtual and diminished image i.e., image height taken +ve)

hope this will help you.