A virtual, diminished image is formed when an object is placed

Light (10)

A virtual, diminished image is formed when an object is placed between the optical centre and the principal focus of a lens.

1. Name the type of lens which forms the above image.
2. Draw a ray diagram to show the formation of the image with the above stated characteristics.

Answer

(i)

 

(ii) Correct ray diagram with one ray passing through optical centre which goes undeviated.

Another ray parallel to the principal axis undergoing refraction and appears to pass through the principal focus.

Dotted line for virtual image and extended refracted rays & arrows marked on the rays.