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can you tell me the sign convection of lenses (their focal length, image distance,object distance...)
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Against the direction of incident ray : negetive
along the direction of incident ray : positive
along the direction of incident ray : positive
dishagaur748:
thanku
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For converging lense focal length is positive (+ve) whereas in diverging lense focal length is negative (-ve)
if Image is formed on the same side it would be negative.
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if Image is formed on the same side it would be negative.
:)
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