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An incident ray hits the lens passing through F emerges :
Optical axis
Image focus point
without deviation
optical center
Thick at center thin at edges
emerges rays of light
passing through F'
Parallel to optical axis
An incident ray hits the lens parallel to optical axis emerges :
Optical axis
Image focus point
without deviation
optical center
Thick at center thin at edges
emerges rays of light
passing through F'
Parallel to optical axis
Lenses always
Optical axis
Image focus point
without deviation
optical center
Thick at center thin at edges
emerges rays of light
passing through F'
Parallel to optical axis
Any ray passing through the optical center of lens emerges:
Optical axis
Image focus point
without deviation
optical center
Thick at center thin at edges
emerges rays of light
passing through F'
Parallel to optical axis
The Horizontal line passing through the center of lens is called
Optical axis
Image focus point
without deviation
optical center
Thick at center thin at edges
emerges rays of light
passing through F'
Parallel to optical axis
The center of lens is called
Optical axis
Image focus point
without deviation
optical center
Thick at center thin at edges
emerges rays of light
passing through F'
Parallel to optical axis
Converging lens :
Optical axis
Image focus point
without deviation
optical center
Thick at center thin at edges
emerges rays of light
passing through F'
Parallel to optical axis
F' is called
Optical axis
Image focus point
without deviation
optical center
Thick at center thin at edges
emerges rays of light
passing through F'
Parallel to optical axis
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