sign convention for mirror and lens?
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MIRROR
*Object placed on Left hand side is Taken as negative and objects/image on right hand side is taken as positive.
*Object is always placed on the Left Hand side
*All distances Parallel to the Principle axis is measured from the pole.
*Distance perpendicular to and above the principal axis is taken as positive and below the principal axis is taken as negative.
Lens
*Convex lens focal length will always be positive and concave lens focal length will always be negative.
*Object placed on Left hand side is Taken as negative and objects/image on right hand side is taken as positive.
*Object is always placed on the Left Hand side
*All distances Parallel to the Principle axis is measured from the pole.
*Distance perpendicular to and above the principal axis is taken as positive and below the principal axis is taken as negative.
Lens
*Convex lens focal length will always be positive and concave lens focal length will always be negative.
AnonymousGhost:
-_- not brainliast ,thank you
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i hope this may help you..,..
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thanks bro.....
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