Question

object placed at 15CM in front of convex lens having focal length is 10m find the position of image with the ray diagram​

Answer 1

Answer:

lens formula ,1/f=1/v-1/u here u is -15 cm and f for convex lens is +10cm then v=? 1/10=1/v-(-1/15) ,,1/v=1/10-1/15 ,1/v=15-10/150 ,1/v=5/150 then v is 30cm