While looking at the image formed by a convex lens (one half of the lens is covered with black paper), which one of the following will happen to the image?
- Half of the image will be visible
- One can see an image of smaller size
- Intensity of the image will be diminished
- Image will be inverted
The intensity of the image will be lesser when one half of the lens is covered with a black paper because the light gathering power of a lens depends upon its diameter. The image formed will still be of full size.
The correct option is C.