Question

an object 20 cm high is placed at a distance of 30 cm from a convex lens of focal length 20cm find the position nature and size of image​

Answer 1

Answer:

nbdjshsjd ksvdnd

Explanation:

kahsjsjdd kshdgdh b dbjsbdbdjsb sitb nd sjsjfh sjsbd dix. fjzdjdbdksndbbzbsj dbxbxiiabdndjdbs djdbdibsnsidjbxksd nsjdudbv dnzjhsbsbsbzbxhzbjdhbs