Identify the incorrect statement :

1. A real image is formed due to actual intersection of the rays refracted by the lens.
2. A virtual image can be obtained on the screen.
3. A virtual image is erect with respect to the object.
4. A real image is inverted with respect to the object.

A ray diagram for a convex lens is shown below. In this manner, a convex lens is used in :

1. camera
2. cinema
3. burning glass
4. terrestrial telescope

For the object placed between the optical centre and focus of a convex lens, the image is :

1. real and enlarged
2. real and diminished
3. virtual and enlarged
4. virtual and diminished

A concave lens forms the image of an object which is:

1. virtual, inverted, and diminished
2. virtual, upright, and diminished
3. virtual, inverted, and enlarged
4. virtual, upright, and enlarged.