Question

Practice Problems : 3
1. An object 1.4 cm high when placed in front of a convex lens at a distance of 6 cm, forms a
virtual image at a distance of 24 cm from the lens. Calculate (a) the focal length of the lens
(b) the size of the image.
(a) f = 8 cm (b) h = 5.6 cm​

Answer 1

Answer:

Focal length is 4.2cm

size of the image is 4cm