Ray Diagrams For Lenses Video Lessons

Concept

# Problem: The focal length of a converging lens is: a. the distance at which parallel light rays are focused b. the distance at which an image is formed c. the distance at which an object must be placed to form an image d. the thickness of the lens

###### FREE Expert Solution

The focal length is the point where light rays from a distant object are focused.

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###### Problem Details

The focal length of a converging lens is:

a. the distance at which parallel light rays are focused

b. the distance at which an image is formed

c. the distance at which an object must be placed to form an image

d. the thickness of the lens