![A convex lens forms a virtual image of an object. The position of the object is between optical centre and focus. A convex lens forms a virtual image of an object. The position of the object is between optical centre and focus.](https://haygot.s3.amazonaws.com/questions/1134358_1015079_ans_0ea816b49a3a4e1d86441a3e4edf6f3f.png)
A convex lens forms a virtual image of an object. The position of the object is between optical centre and focus.
66.From ray diagram show the (1) image formation by concave lens for the object at focus. (2) image formation by concave lens for the virtual object at focus
![We know that a concave lens always forms a virtual and diminished image, then we use this lens in myopic eye, then we must be able to see the image is diminished, We know that a concave lens always forms a virtual and diminished image, then we use this lens in myopic eye, then we must be able to see the image is diminished,](https://qph.cf2.quoracdn.net/main-qimg-af2d206126a8a16890928350f05049d4.webp)