Question

9. An object is placed at a distance of 12.5 cm from a convex lens of focal length
25 cm . Find the position and nature of the image.​

Answer 1

Answer:

position = at 1.4 cm at front of lens. image is smaller in size. u = -12.5 and f= 25 . using lens formula. 1/v-1/u = 1/f . v = -1.4 . and then fing magnification using m = v/u to find nature