sign convention for spherical mirrors and lens ....plz give me the signs whether positive or negative
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mirror& lens:
if direction of the light ray and distance from pole are in opposite directions the negative if in same direction they are positive.
distance measured above principal axix is positive and below negative
mithu9999:
plz give the signs for u,v,f,h,h'
concave mirror u,v,f negative if in case of virtual image v is positive.convex mirror u negative v and f positive
what abt h and h'
above principal axis + below principal axis -
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