Difference between convex and concave lens
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Yogita Ingle 5 years, 11 months ago
Appearance
A concave lens is thinner in the middle and thicker at the edges.
A convex lens is thicker in the middle and thinner at the edges.
Also known as
It is also known as Diverging Lens
It is also known as Converging Lens
Application
Used in Glasses, some telescopes, spy holes in doors, etc. It is also used for the correction of the problem in short sight
Used in camera, focus sunlight, overhead projector, projector microscope, simple telescope, magnifying glasses, etc. It is also used for the correction of the problem in long sight.
Focal Length
Negative Focal Length
Positive Focal Length
Incident Rays
It diverges the incident rays away from the principal axis.
It converges the incident rays towards the principal axis.
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