Question

For a convex lens of focal length 20 cm, where should an object be placed to get a virtual image?
a) 15 cm
b) 20 cm
c) 30 cm
d) 45 cm​

Answer 1

Explanation:

ans is b) 20 cm

hope it helps uh

Answer 2

Explanation:

kya ye apki koi help kar sakta he??