what sign convention we use for concave and convex lenses
zander07:
the value of V,U and f will be negative if it is in left side of lens
nd positive when its right side
and if the image is erect ,its positive and if inverted its negative value
thnk u thnk u
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we use the following as sign convention
optical centre
radius of curvature
object distance and height
image distance and height
optical centre
radius of curvature
object distance and height
image distance and height
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