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Hari Krishna Grade: 12
        

What is the sign conventions for concave, convex mirrors and lenses?

7 years ago

Answers : (2)

pawan deep
41 Points
										

Sign convention for mirrors are


1732_12765_mirrors-sign-convention-table.jpeg


and for lenses


image
image



The following table gives the sign convention for lenses:













































Types of lens



U



v



f



Height of the image



Height of the object



Real



Virtual



Real



Virtual



Real



Virtual



Convex



-



+



-



+



No virtual focus



-



+



+



Concave



-



No real image is formed



-



No real focus



-



No real image is formed



+



+




If satisfied please reply.........
7 years ago
Pranshu
12 Points
										In sign convention ...."u"..(the object distance ) is alwys -ve nd height of object is alwys +ve for both mirrors nd lenses.
										
9 months ago
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