Question

state sign conversation in lens

Answer 1

---------------------- HEY DEAR -----------------------

HERE IS YOUR ANSWER...

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• FIRST POINT IS THAT ALL THE DISTANCES IN THE DIRECTION OF INCIDENT RAY  AND FROM THE CENTRE ARE ALWAYS POSITIVE
• DISTANCES OPPOSITE TO INCIDENT RAY AS MEASURED FROM CENTRE ARE NEGATIVE.
• DISTANCES MEASURED UWARD THE PRINCIPLE AXIS ARE POSITIVE

• DISTANCES MEASURED DOWNWARD THE PRINCIPLE AXIS ARE TAKEN AS NEGATIVE.

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THANKS FOR GIVING ME OPPORTUNITY TO ANSWER YOU..

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Answer 2

HELL0 ♡♡♡

HERE_^^ Y♡UR ANSWER

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● All the sign taken positive in the direction of incident ray.

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● Above the principle axis sign takes as postive and down principle axis taken as negative.

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♡BY MANISH NAVIK

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♡REFERENCE SELF

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♡USERNAME HACKER20