Question

an object of height 10 centimetre is placed perpendicular to the principal axis of a concave lens of focal length 15 CM use lens formula to find position nature and size of image formed if the distance of the object from the lens is 40 centimetre​

Answer 1

Answer:

Height of object is 10 cm

focal length is 15cm

Object distance is 40 cm

Now

use lens formula

1/U +1V:1/F.

then use

magnification

where v is taking positive.