Question

which lens forms a virtual image? Why?

Answer 1

Concave lens forms virtual image bcz the light rays when diverge from lens it appears to come at single point or place and the image cannot be formed at screen. In one case of convex mirror it forms virtual image it is when the object is placed between the principle focus and the pole of the lens.

hope this helps you.....:)

Answer 2

concave lens forms a virtual image because it diverges the light rays and the rays just appears to cross at focus and virtual image forms