mirrors and lens sign convetions list for refraction of light
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well mirror dont refract
only lens refract
so for concave lens ... u -ve .. v-ve and f-ve
for convex lens .. u-ve .. v+ve ..f+ve
only lens refract
so for concave lens ... u -ve .. v-ve and f-ve
for convex lens .. u-ve .. v+ve ..f+ve
tarika2411ar:
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