A concave lens is called a diverging lens because the incident rays are bent ________.
In random directions
Inward
Outward
Perpendicular
A concave lens is called a diverging lens because the incident rays are bent outward.
(a) Explain with the help of a diagram, why the concave lens is also called a diverging lens. (b) Define the principal focus of a concave lens.
The images seen through a peep hole are different from those seen through normal holes, because these peep holes contain concave lenses. What happens when light rays are incident on a concave lens?
Fill in the following blanks with suitable words : (a) A convex lens ___ rays of light, whereas a concave lens___ rays of light. (b) Lenses refract light to form images : a ___lens can form both real and virtual images, but a diverging lens forms only___ images.