sign convention for mirror and lens in easiest way. plz IT'S VERY URGENT
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In lens,
Concave lens- Object is always formed as virutal and erect on left side, so u is negative and v is also negative and f is also negative.
Convex lens- Object is always formed as real and inverted on right side, so FL is positive, u is negative and v is positive.
In mirror,
Concave mirror- FL is negative, u is negative and v is negative.
Convex mirror- FL is positive, u is negative and v is positive.
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Anonymous:
bro what about height
Height is aleays positive
in case of mirror and lens both
Both
ok
thanks
Because of you both friends my light chapter numerical was correct in science exam Thanks a lot VSK2353 and Vickyraju03
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Mirror
if the object or the image is in the left side then minus
if the image is in the right side then plus
just like number line
the same for lens
if the object or image is above pinciple axis then plus
if the image is below the principle axis then negative just like graph
hope it helps
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